This easy peanut butter cake starts with a cake mix, and is the easiest way to make a delicious peanut butter cake! It’s a peanut butter lovers dream, it’s so moist, and delicious!
This peanut butter cake tastes homemade, and no one will ever guess that it actually started with a boxed cake mix from the store. It’s a perfectly moist, flavorful, delicious peanut butter cake, that everyone will love!
This cake is amazing on it’s own. But I like to top it with a chocolate frosting, for a delicious chocolate peanut butter vibe. I like to use my homemade chocolate butter cream recipe most of the time, but honestly a can of chocolate frosting from the store is so delicious with it too. Then sprinkle it all over with some chopped up peanut butter cups, for extra deliciousness.
You can also top the cake with a peanut butter, or peanut butter cream cheese frosting. Peanut butter cake with peanut butter frosting makes the ultimate peanut butter lovers cake! Throw on some chopped up Nutter Butter Cookies on top, for even more peanut butter, and a little crunch, and extra yum!
Easy Peanut Butter Chocolate Cake Ingredients
- yellow boxed cake mix (just the mix) – you can also sub a white cake mix, and how good would a chocolate cake mix be?
- milk – you can also use water
- vegetable oil – canola oil works great too
- creamy peanut butter
- eggs
How to make a Peanut Butter Cake with Cake Mix
- This cake starts with a dry boxed cake mix, then add in oil, milk, and eggs, and of course peanut butter. Mix them all together in a large bowl.
- Then pour the batter into a greased baking pan.
- Bake the cake until a toothpick comes out clean.
- Let the cake cool completely then spread your choice of frosting over the top.
- Then sprinkle chopped peanut butter cups on top if desired.
How to serve this deliciously Easy Peanut Butter Cake
This cake is amazing on it’s own. But I like to top it with a chocolate frosting, for a delicious chocolate peanut butter vibe. I like to use my homemade chocolate butter cream recipe most of the time, but honestly a can of chocolate frosting from the store is so delicious with it too. Then sprinkle it all over with some chopped up peanut butter cups, for extra deliciousness.
You can also top the cake with a peanut butter, or peanut butter cream cheese frosting. Peanut butter cake with peanut butter frosting makes the ultimate peanut butter lovers cake! Throw on some chopped up Nutter Butter Cookies on top, for even more peanut butter, and a little crunch, and extra yum!
This peanut butter cake is the ultimate treat for peanut butter lovers! It’s perfect for an easy birthday cake, or just when you need a treat. Anyone you share it with will be so impressed with your amazing cake, and will never guess that it started from a box ;).
More Peanut Butter Recipes:
- Chocolate Peanut Butter Bundt Cake
- Flourless Peanut Butter Cookies
- Microwave Peanut Butter Fudge
- Frozen Peanut Butter Pie
- Peanut Butter Chocolate Chip Cookies
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Peanut Butter Cake Recipe (Easy!)
Ingredients
- 15.25 oz boxed yellow cake mix (can substitute a white cake mix)
- 1 1/4 cup milk
- 1/3 cup vegetable oil
- 1/2 cup creamy peanut butter
- 3 large eggs
- 2 cups frosting (chocolate or peanut butter are great)
- 1 cup chopped peanut butter cups
Equipment
- Large Mixing Bowl
Instructions
- Preheat the oven to 350 degrees Fahrenheit. Grease a 9×13 pan with nonstick spray.
- Add all the ingredients to a large bowl and stir them together until combined. Continue mixing the mixture for 1-2 minutes.
- Pour the mixture into the prepared cake pan and smooth the top evenly.
- Place the cake in the preheated oven and bake for 25-30 minutes, or until a toothpick inserted in the middle comes out clean, or with a few moist crumbs.
- Remove the cake from the oven and let it cool completely.
- Frost the cake with your choice of frosting. Sprinkle chopped peanut butter cups over the top of the frosting if desired.
Linda Letchworth says
Made the cake as directed. Then add a cup of peanut butter to a can of milk chocolate frosting. My grandson loved it .
Aimee says
That addition to the frosting sounds so good! Glad he loved it!
Emanul Johnson says
Is the water and oil the same ratio for white cake mix
Aimee says
Yes it should work the exact same
Patty Wright says
I, Am Going To Make This For, My Adult Son For His Birthday. I, Am Going To Frost The Cake, With Peanutbutter Frosting Also. Wish, Me Luck That, It Will Turn Out! It, Is A Surprise For Him On Sept. 7th. 2023. Thank You, Very Much!
Aimee says
Hope he loved it!
irene says
I tried it today as a Bundt Cake. It worked finbaked for 37 minutes. very good !!!
irene says
can this be made as a bundt cake ?
Aimee says
Yes it should work, it may need to bake longer since the bundt pan is thicker than the 9×13 pan. I’d start with 30-35 mins and go from there.
Sandy Gotter says
I didn’t see anything g about adding sour cream to this cake . Do we add it ? Thanks Sandy
Aimee says
I accidentally had it written in the post before (hence the earlier comment), but no I don’t add it to this recipe.
Cris says
Thank you for this recipe. I am about to try it but under what is needed, you have Sour Cream listed with ??? after it but I did not find any information in the instructions on what you could add or substitute the Sour Cream for. Could you please explain?
Thank you
Aimee says
So sorry, I meant to take that out. You can add 1/2 cup to the mix if you want.