Easy Peanut Butter Swirl Cake - Baking Lesson For Friend

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Peanut butter swirl cake

Peanut butter swirl cake

If you like peanut butter, you will like this cake because it’s full of peanut flavour. It’s a very easy cake to make. I added condensed milk to the peanut butter to make it even more special. If you love condensed milk like me, you can save a lot of money by making it yourself at home. Click on How To Make Condensed Milk. It’s quite thick which I like. But if you like it runny, use less milk powder.

This cake is very simple and easy to make. I showed a friend how to make it. She badly wanted to learn how to bake cakes….any cake. She had tried a few types of cakes but felt very disappointed with the result. I agreed to teach her a simple peanut butter swirl cake because she loves peanuts. She was very surprised that it was so easy to make. She liked it very much. I’m really glad that it came out successful. This is my first baking lesson for an adult friend.

I used to teach my children when when they were young and also friend’s kids how to bake cakes. I remember those fun times teaching kids Maths while teaching them to bake, like addition, subtraction and fractions when using cups and spoons and also reading the weighing scales. I also teach them about approximation. The kids always enjoyed it, especially if there are more than one because everyone would be fighting to answer my Maths questions. And then when the cake was cooked, it just disappeared within minutes! What joy!

Here is my Easy Peanut Butter Swirl Cake recipe. You can use smooth peanut butter too if you don’t like the peanut bits.

Ingredients A
250g butter
1 & 1/2C sugar
5 eggs
2 & 1/2C self-raising flour
1C desiccated coconut
1C milk

Cake batter

Cake batter

Beat butter and sugar until light. Add eggs and continue to beat, one at a time, beating well after each addition. Add flour, desiccated coconut and milk. Mix well.

Ingredients B
340g crunchy peanut butter
1/2C condensed milk
1/2C milk

peanut butter and condensed milk mix

peanut butter and condensed milk mix

Mix Ingredients B until well mixed.

Add peanut topping

Add peanut topping

Pour mixture of Ingredients A into a paper lined shallow tin. Smoothen the surface. Scoop the peanut butter mixture onto the batter.

Swirl the peanut topping through

Swirl the peanut topping through

Use a fork and make waving lines through the peanut butter mixture and cake batter. It’s not necessary to smoothen it out. It will smoothen out as it bakes.

Bake in a preheated oven at 180 degrees Celsius for about 20-25 minutes or until a skewer inserted into the centre comes out clean. If you use a deep baking tin, it will take much longer.

This easy peanut butter swirl cake is great as a dessert for anytime. I enjoyed it with a cup of tea.

Quote of the day……

“Keep steadily before you the fact that all true success depends at last upon yourself.”

- Theodore T. Hunger

Keep Learning Keep Smiling

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Jess @ Bakericious  on January 24th, 2011

Mary, I can smell the peanut butter fragrance from here, looks so yummy too.

kristy  on January 24th, 2011

I’m not sure my first comment went in successfully or not but will try to make another one. Whoa, Mary now is a baking teacher. No kidding! This recipe is simple indeed. Guess you friend must be very happy to have another baking lesson soon. Enjoy & have lots of fun.
Cheers, Kristy

penny aka jeroxie  on January 24th, 2011

your recipes are easy to follow. im sure your friend will be a baker in no time :)

Christine@Christine's Recipes  on January 24th, 2011

Mary, your cake wins my heart totally. Love both peanut butter and condensed milk. :)

Catherine  on January 24th, 2011

How wonderful for you to teach your friend, Mary, I’m sure she was delighted with the results :) Would be perfect for a tea-break with a cup of tea!

Mary  on January 24th, 2011

@Jess @ Bakericious - Thanks very much, Jess! :D

@kristy - Ooops….it must have gone to cloud 9…haha. Well, I don’t think I am a good teacher but I definitely had a very good student :D Hope you have lovely day.

@penny aka jeroxie - Yes, hope my friend will soon bake a lot of cakes :D

@Christine@Christine’s Recipes - I think we can just eat the peanut mixture without the cake…haha :D

@Catherine - Yes, my friend was so happy to learn it. Hope to have another fun baking time with her again :D

Katerina  on January 24th, 2011

I love the idea of teaching maths while making a cake. It must have been a lot of fun. I will try it with my son, he is in second grade primary school and they give him tons of maths. The cake looks scrumptious!

Lavanya  on January 24th, 2011

hmm got to learn lot from u mary then cos i have no clues of baking…planning to learn them…will have to visit ur blog often to learn more on baking…cake looks yummmm


Sanjeeta kk  on January 24th, 2011

Thats a lovely description of the cake. Like the swirls in it.

tigerfish  on January 24th, 2011

I don’t think I have tried cookies with condensed milk in them. Interesting…

The Kitchen Masochist  on January 24th, 2011

I was horrible in math and hated it. Now I probably would’ve enjoyed the subject if it was taught through baking like you did. That would’ve been fun!

The secret to baking most types of cakes is to follow the instructions, measure ingredients exactly as specified and not over mixing the batter.


claudia lamascolo/aka pegasuslegend  on January 24th, 2011

What a great technique! My son is a huge pb fan! Will love this cake and probably make it himself! thanks for sharing!

Olive  on January 24th, 2011

That’s really delicious with a cup of strong cofffee; it’s looks moist and soft! I wished I had someone like you to teach me when I was just starting to learn to bake on my own, maybe I wouldn’t have made so many mistakes or wasted too many ingredients; your friend is lucky to have you! :)

lena  on January 24th, 2011

mary, so you have upgraded yourself to a sifu! nobody can resist peanut butter, this cake will be so indulging for me..can be addictive too!

Belinda @zomppa  on January 24th, 2011

It’s a great way to get kids not only to love baking, but learning while they do it. I bet I would have been a better math student if I did it this way. =) I love the addition of condensed milk here…an underappreciated ingredient.

peteformation  on January 24th, 2011

Mmm, all the creamy ingredients inside…tasty!

anncoo  on January 24th, 2011

Swirl peanut butter? Sounds good as I love peanut butter and use it in my bakes too :)

food-4tots  on January 24th, 2011

It looks really simple and great for people (or even kids) who want to have some baking fun. I bet it’s very yummy with peanut butter. ;)

kitchen flavours  on January 24th, 2011

I am not a fan of peanut butter spread on breads, but I think that in a cake, it would taste much better. Thank you for sharing this recipe, it looks very good with a cup of ‘coffee’ for me!

lequan  on January 24th, 2011

I wished I wasn’t allergic to peanuts. I would love to eat this, especially cause it has condensed milk…mmm. It looks so moist and delicious. Baking is such a great way to teach kids math. Partly why I want to learn to bake.

Aipi  on January 24th, 2011

Cake looks absolutely incredible,love the swirls..very well explained recipe Mary :)

US Masala

Drick  on January 24th, 2011

yummy, I will keep the recipe just the way it is, love the crunchy bits of peanuts…

Swathi  on January 24th, 2011

Looks delicious, love the idea of using peanut butter

Ginny Hartzler  on January 24th, 2011

This looks yummy, and so moist! I can’t figure out the butter measurement, though, because I don’t know grams. Sounds like you are a super teacher!

Mary  on January 24th, 2011

@Katerina - Just the right age of your son to learn baking and Maths. I’m sure both of you will have fun. Maths is very important and it;s good that the school gives lots of maths for him to do. But I hope he enjoys it :D

@Lavanya - Maybe give yourself one attempt. You will be surprised how easy it is. Learn the simple cakes first, like this one here. That’s what I do and still do. I have yet to venture out into more challenging cakes. That requires a test of my patience :P

@Sanjeeta kk - Thanks very much, Sanjeeta! :D

@tigerfish - This one is definitely for condensed milk and peanut butter lovers. I am one of them :D Hope you like, too.

@The Kitchen Masochist - Haha….yes, your Maths teacher should have made it fun for you :D I know, lots of people hate Maths. Thanks very much for sharing your baking secrets. I must tell my friend.

@claudia lamascolo/aka pegasuslegend - Thanks very much, Claudia! Your son cooks very well. I’m sure he can make this himself, and share with you :D

@Olive - Haha…I also wish I had someone to teach me how to bake. I went through lots of mistakes and waste, too. Hope I can help others not to go through the same mistakes as me :D

@lena - Haha….shy to admit…just doing a favour, only simple cakes :D

@Belinda @zomppa - Haha….bet you are already good in Maths But you can teach your kids when they come :D Lovely to know you like condensed milk, too.

@peteformation - Thanks very much, Pete! :D

@anncoo - Thanks very much, Ann! we have same favourite…peanut butter :D

@food-4tots - It can be fun because it’s very simple and easy to make. I think happiness is good food with short preparation time :D

@kitchen flavours - Thanks very much. Maybe you can try this one and see whether you like it or not. Hope you like it :D

@lequan - Oh dear, so sorry you have to miss this. Maybe I should make one again, without nuts but only with condensed milk for you :D Have fun with your kids cos they grow up really fast :D

@Aipi - Thanks very much, Aipi! :D

@Drick - Thanks very much, Drick! Those with good, strong teeth will definitely like the peanut bits :D

@Swathi - Thanks very much, Swathi! :D

@Ginny Hartzler - Thanks very much, Ginny! 250g of butter is equivalent to 1C or 2 sticks of butter. Have fun baking :D

rebecca  on January 24th, 2011

looks great bet they enjoyed learning from you :-)

Debbie  on January 24th, 2011

Oh I love Peanut Butter and this cake looks jam packed with PB flavor! Yet it looks like a coffee cake, so maybe I can get away with eating it for breakfast? :-)

serena @bigapplenosh  on January 24th, 2011

Oh wow, this sounds heavenly! My mouth is watering@

Mary  on January 24th, 2011

@rebecca - Thanks very much, Rebecca! Yes, we had a great time :D

@Debbie - Lovely to know you are a peanut butter lover. This cake would be perfect for you then :D

@serena @bigapplenosh - Thanks very much, Serena! :D

Blackswan  on January 24th, 2011

Mary, when r u gonna teach me how to bake? Actually, 2 of my baker friends r coming to my place this Thu to make Pineapple Tarts. My New Year resolution is to start baking cookies & cakes & they’ll be here to break my oven. Hahaha!

peachkins  on January 24th, 2011

gosh, I so love peanutbutter and I am craving cake since yesterday… you made my mouth water with this!

myasiankitchen  on January 24th, 2011

what a yummy delicious cake wt peanut butter flavor!!

Betty @ scrambled hen fruit  on January 24th, 2011

Cooking is a great way to teach math! It’s important for children to see that what they’re learning is useful! This cake looks wonderful- that peanut butter swirl looks delicious in it. :)

shaz  on January 24th, 2011

I love PB so I know I’ll love this cake Mary. That’s a fun story about baking maths. We’ve done the same but my daughter had actually brought home an optional maths assignment when they were learning fractions, and it was to do some cooking. We baked cupcakes :) Such fun homework!

Velva  on January 24th, 2011

I would absolutely love this peanut butter cake. The addition of condensed milk just puts this over the top. Wow! I love it. I am bookmarking this one. Thanks.


redkathy  on January 24th, 2011

Hi Mary, Hope all is well with you and your family. This cake looks decadent! Peanut butter and coconut, oh yummy. I too did math in the kitchen with the kids. It was fun and so enjoyed the treat the lesson produced lol

Juliana  on January 24th, 2011

Wow, this peanut butter swirl cake looks delicious…and you know what I love the words “simple and easy” :-)

busygran  on January 24th, 2011

Peanut butter is my favourite spread! I even eat a whole spoonful sometimes! Looks like I’m going to make this cake sooner but on the other hand I’ll bookmarked for March baking.

Yummy bakes  on January 25th, 2011

This cake looks very soft. You are really a condensed milk lover. :)

Magic of Spice  on January 25th, 2011

I need lots of instruction when it comes to baking…this is wonderful and this cake looks so good :)

noobcook  on January 25th, 2011

Your cake looks fluffy and yummy. I love peanut butter.

Little Inbox  on January 25th, 2011

My hubby is a fan of peanut butter, I know this suits his taste buds. Hehe…shall I give him a surprise?

msihua  on January 25th, 2011

Maybe I could do this? I’m not very good at baking, but this looks simple enough.. I have to bake something for work next week!

pigpigscorner  on January 25th, 2011

Condensed milk and peanut butter?! YUM! I’m in!

Mary  on January 25th, 2011

@Blackswan - Wow…that sure looks like lots of fun going on at your side! Never mind the oven…can buy another one…haha. I wish I can join all of you. Have fun baking :D

@peachkins - Time to bake :D I need more cakes here, too.

@myasiankitchen - Thanks very much! :D

@Betty @ scrambled hen fruit - Thanks very much, Betty! :D

@shaz - That’s really fun to teach fractions Maths while baking cupcakes. I’m sure your daughter will love Maths that way :D If only every subject can be that fun!

@Velva - Thanks very much, Velva! Lovely to know you love condensed milk, too :D

@redkathy - Great to know that you had fun in the kitchen with your kids and teaching them Maths, too. Yes, the best part is eating after that…haha :D

@Juliana - Thanks very much, Juliana! Yes, me, too…love it simple and easy :D

@busygran - Haha…..I thought I am the only one. I often like to scoop it from the bottle and enjoy it…hehe :P

@Yummy bakes - Yes, I am…hardcore condensed milk lover :D

@Magic of Spice - Thanks very much! Give a try. It’s very easy to make :D

@noobcook - Thanks very much! :D

@Little Inbox - Oh yes, of course you should! Men needs a surprise (small one can do also….haha) every now and then :D

@msihua - Give a try. I’m sure you can make this one…simple and easy. have fun baking :D

@pigpigscorner - Yeah, we share the same favourite :D

5 Star Foodie  on January 25th, 2011

This pb swirl cake sure sounds delicious, love your addition of condensed milk!

Mary  on January 25th, 2011

I love the mixture of condensed milk with coconut. The cake really looks delicious and I’d love to have a slice of it with my afternoon coffee. Have a great day, Mary. Blessings…Mary

elra  on January 25th, 2011

Such a wonderful flavor and texture this cake have. It easy to eat a lot of this.

Catherine  on January 25th, 2011

Mary you have such lovely recipes to share. This recipe is very simple and delicious to make. I could go for a slice of this with a cup of tea too!

Adora's Box  on January 25th, 2011

This sounds absolutely delicious. Love coconut, peanut butter and condensed milk (can’t have enough of it). I am very sure that my family will love this recipe.

RavieNomNoms  on January 25th, 2011

That looks really amazing! I love peanut butter

suituapui  on January 25th, 2011

Cake and peanut? No, thanks… Don’t mind peanut cookies though….

Mary  on January 25th, 2011

@5 Star Foodie - Thanks very much, Natasha! :D

@Mary - Thanks very much, Mary! Hope you have a great day, too :D

@elra - Thanks very much, Elra! :D

@Catherine - Thanks very much, Catherine! I think I had overeaten…need more exercise :D

@Adora’s Box - We do share favourite ingredients! I need to bake a bigger cake if you are here :D

@RavieNomNoms - Thanks very much, Ravie! :D

@suituapui - I see…you must be one that prefers savoury food…all those mouth-watering dishes on your blog! :D

Faith  on January 25th, 2011

Delicious looking cake, Mary, and it was very nice of you to teach your friend how to make it! I’d love to make this with my niece, I think she’d have so much fun!

Joanne  on January 25th, 2011

I’ll take peanut butter just about any way I can get it! delicious.

Kristi Rimkus  on January 25th, 2011

What a fun cake! Add peanut butter to a cake and my husband is in heaven.


Mary  on January 26th, 2011

@Faith - Oh, I’m sure your niece will love the baking with you. Both of you are going to have fun :D

@Joanne - Whah….you are such a great peanut butter lover! :D

@Kristi Rimkus - You must be serving him a lot of peanut butter desserts :D

Coffeemuffins  on January 26th, 2011

I had thought of the importance of teaching kids to bake before - but I had never really thought about how much of it is general Maths!!!

Looks like a wonderful cake too :)

Nat  on January 26th, 2011

I’m a peanut butter addict, this cake is for me !! Thank you for this great recipe. :)

Ananda Rajashekar  on January 26th, 2011

How flavour it would have been, can i come sometime to take few classes? looks divine Mary :)

Patty  on January 26th, 2011

This cake looks just too good! I would love to learn math while I enjoy a piece of your cake! I like the technique and would probably swirl peanut butter into just about anything;-)

lisaiscooking  on January 26th, 2011

I’d never thought of making homemade condensed milk. Good to know it’s doable! Your cake looks delicious. Love the swirls of peanut butter.

cityhippyfarmgirl  on January 27th, 2011

Condensed milk and peanut butter in the one dish. It doesn’t get much better than that.

Cook.Bake.Love  on January 28th, 2011

With the added peanut butter I am sure this must be very fragrant.

COLARGOL  on January 29th, 2011

thank you for your tutorial with photo, I love this cake Bravo

Sushma Mallya  on January 31st, 2011

looks fantastic…nicely done mary

Mary  on February 3rd, 2011

@Coffeemuffins - Give a try. It’s fun to teach kids baking and Maths at the same time. They just get so excited! :D

@Nat - I’m sure you will have fun baking and eating then :D

@Ananda Rajashekar - I think we will end up talking and not baking…haha. There’s so much to share…food, culture, your studies etc etc :D

@Patty - Thanks very much, Patty! Looks like you are a great peanut lover :D

@lisaiscooking - Thanks very much, Lisa! Give a try. It’s fun to make :D

@cityhippyfarmgirl - We must be in the same league…similar favourite :D

@Cook.Bake.Love - Yes, it is….delicious…mmmm :D

@COLARGOL - Thanks very much, Colargol! :D

@Sushma Mallya - Thanks very much, Sushma! :D

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