Peanut Butter Tandy Cake (Copycat Tastykake Recipe)

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Prep: 5 minutes
Cook: 15 minutes
Cooling Time: 5 minutes
Total: 20 minutes

This Peanut Butter Tandy Cake recipe is a fun sweet treat you can bring to parties and special occasions. Everyone is a fan of chocolate and peanut butter. It’s a great easy recipe to make with your kids. It’s a copycat version of the classic Tastykake.

If you like more original cakes, try my butterfinger poke cake or my delicious, creamsicle cake. 

Three square pieces of chocolate and peanut butter cake-topped shortbread stacked on a white plate.

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Why this Cake with Peanut Butter and Chocolate is a Keeper

This recipe is a combination of two of our favorite things: Chocolate cake and creamy peanut butter. This cake is made with a super easy recipe, making it perfect for beginners. Here are a few reasons why you’ll want to make this chocolate peanut butter cake:

  • 30 Minute Cake: Make this cake with peanut butter frosting recipe in less than 30 minutes.
  • Easy Ingredients: All of the ingredients in this peanut butter Tandy cake can be found in your kitchen or local grocery store.
  • Family Favorite: These copycat peanut butter Tasty Cakes are so easy to make, even your kids can help make them.

What is a Tasty Cake Tandy Cake?

Four rectangular chocolate and peanut butter bars rest elegantly on a white plate, their tops glistening with a rich layer of chocolate.

The Tastykake Tandy Cake, now known as the Kandy Kake, is a classic American treat. It consists of a fluffy white cake base topped with a layer of creamy peanut butter and a rich chocolate coating. This delightful combination of flavors and textures has made it a popular snack for generations.

Chocolate Peanut Butter Cake Recipe Ingredient Notes

A collection of baking ingredients for a chocolate and peanut butter cake, featuring flour, milk, sugar, eggs, melted butter, vanilla extract, and baking powder on a striped cloth.
  • Peanut Butter: Make this cake recipe with creamy peanut butter.
  • Hershey Bar: Melt a Hershey’s chocolate bar for the topping.

See the recipe notes below for a complete list of the ingredients with measurements.

Prep Ahead Suggestions for Peanut Butter Chocolate on a Cake

  • Bake in advance: Bake the cake ahead of time. Let them cool completely before storing them in an airtight container at room temperature.
  • Freeze: For longer storage, wrap the cooled tightly in plastic wrap and freeze. Thaw them completely before assembling the cake.

Pro Tip to Enhance Chocolate Flavor

Add a little bit of strong, brewed coffee can enhance the chocolate flavor and keep your cake moist.

How to Make Chocolate Peanut Butter Cake

These are the basic steps for making a chocolate cake with peanut butter. Refer to the full, printable recipe card below for detailed instructions.

Image triptych: Milk is poured, vanilla extract is added, and flour is measured for baking a delectable dessert.

1. Prepare the Peanut Butter Cake

Add eggs, milk, and vanilla to a large bowl and whisk until combined. Add flour, sugar, baking powder, and unsalted butter and beat.

2. Pour Batter into the Cake Pan

Spread batter evenly onto a greased jelly roll pan or cake pan.  Bake for 15 minutes at 350 degrees, or until a toothpick inserted in the center of the cake comes out clean.

2. Add the Peanut Butter and Refrigerate the Cake

Let the cake cool for five minutes, then spread peanut butter on top of cake in a thin layer to the edge of the cake. Then, spread the melted chocolate on top of the cake. Chill the cooled cake layer completely before serving.

Three-step sequence: plain sheet cake, same cake with caramel frosting, and the final masterpiece—a chocolate and peanut butter cake with a rich chocolate layer on top.

How to Store and Use Leftover Tandy Cake

  • Storing: Cover the Kandy kake and store in the refrigerator.
  • Using Leftovers: Leftover cake should stay good for 3-5 days.

Variations and Substitutions for this Cake with Peanut Butter and Chocolate Layers

  • Chips: Try adding peanut butter chips, crushed peanut butter cups, chopped chocolate, or chocolate chips to the cake batter.
  • Icing: Switch up the cake and icing. Make a peanut butter cake or chocolate cake.
  • Dark Chocolate Cake: Use rich dark chocolate or chocolate ganache for a more intense chocolate flavor for you tandy cake.
  • Box Mix: Make the cake with a box cake mix. You’ll find all the dry ingredients, such as flour, baking soda, and sugar, in the cake mix box. Use a chocolate mix to make a rich chocolate cake.
  • Layer the Cake: Make the peanut butter cake a layer cake by doubling the recipe. Spread a layer of peanut butter in between each chocolate cake layer.

Peanut Butter Chocolate Cake Recipe FAQs

What Can I Serve with this Recipe?

Can I Use Natural Peanut Butter for my Tandy Cake?

Yes; you can use natural peanut butter. A smooth peanut butter is recommended.

How Can I Make my Tandy Cake More Moist?

To make a moist chocolate cake, add a bit more butter or even vegetable oil so the cake won’t taste dry.

Three square slices of chocolate and peanut butter cake with rich, velvety frosting are elegantly stacked on a pristine white plate.

Expert Tips for Making this Moist Cake with Creamy Peanut Butter Frosting

  • Don’t overmix: Overmixing can lead to a tough cake. Mix just until combined.
  • Use room temperature ingredients: Room temperature ingredients blend more easily.
  • Don’t overbake: A toothpick inserted into the center should come out with moist crumbs, not dry.
  • Round Cake Pan: Make the cake in a round pan instead of a square one.
  • Let the cake cool completely: This will prevent the frosting from melting.
  • Peanut Butter Icing: Make the chocolate cake with peanut butter frosting on top. Use the remaining peanut butter frosting to make dark chocolate cupcakes.
  • Serve this recipe with chocolate peanut butter cookies, peanut butter fudge, or Texas sheet cake cookies.
Three square pieces of chocolate and peanut butter cake-topped shortbread stacked on a white plate.

Peanut Butter Tandy Cake (Copycat Tastykake Recipe)

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This Peanut Butter Tandy Cake recipe is a fun sweet treat you can bring to parties and special occasions. It's a great easy recipe to make with your kids.
Prep Time : 5 minutes
Cook Time : 15 minutes
Cooling Time : 5 minutes
Total Time : 20 minutes
Servings: 12 servings
Course: Dessert

Equipment

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Ingredients
  

  • 4 Eggs, beaten
  • 1 teaspoon Vanilla
  • ¼ teaspoon Salt
  • 2 cups Sugar
  • 2 cups Flour
  • 1 cup Milk
  • 2 teaspoons Butter, Melted
  • 2 teaspoons Baking Powder
  • 1 ½ cups Peanut Butter
  • 16 ounces Hershey Bar, 2 bars melted

Instructions
 

  • Add eggs, milk, vanilla to a large bowl and whisk until combined.  Add flour, sugar, baking powder and butter to the bowl; mix.
  • Spread batter evenly onto a greased jelly roll pan.  Bake for 15 minutes at 350 degrees.
  • Cool cake for five minutes. Spread peanut butter on top of cake in a thin layer.   Spread melted chocolate on top of peanut butter.  Chill completely before serving.

Christina’s Notes

  • Don’t overmix: Overmixing can lead to a tough cake. Mix just until combined.
  • Use room temperature ingredients: Room temperature ingredients blend more easily.
  • Don’t overbake: A toothpick inserted into the center should come out with moist crumbs, not dry.
  • Round Cake Pan: Make the cake in a round pan instead of a square one.
  • Let the cake cool completely: This will prevent the frosting from melting.
  • Peanut Butter Icing: Make the chocolate cake with peanut butter frosting on top. Use the remaining peanut butter frosting to make dark chocolate cupcakes.
Helpful Tips for All RecipesThese quick tips will help you get perfect results every time.

  • Scale the recipe: Simply adjust the serving size in the recipe card and the ingredients will update automatically.
  • Make your own All Purpose Seasoning: When a recipe calls for All Purpose Seasoning, you can use my homemade All Purpose Seasoning recipe or substitute salt and pepper to taste.
  • Meat doneness: I always use a meat thermometer to test for doneness when cooking meat.
  • Use unsalted butter: I use unsalted butter so I can control the salt level in the recipe.
  • Preheat the oven: Unless otherwise noted, always preheat your oven before baking.

For more helpful information about this recipe, such as variations, substitutions and other pro-tips, check out the blog post.

Nutrition

Calories: 663kcalCarbohydrates: 75gProtein: 15gFat: 36gSaturated Fat: 14gPolyunsaturated Fat: 5gMonounsaturated Fat: 14gTrans Fat: 0.05gCholesterol: 60mgSodium: 282mgPotassium: 527mgFiber: 6gSugar: 47gVitamin A: 148IUCalcium: 129mgIron: 6mg
The nutritional information provided are estimates. It is recommended that you verify this information with your own trusted resource.
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8 thoughts on “Peanut Butter Tandy Cake (Copycat Tastykake Recipe)”

  1. Stopping by from Mouthwatering Mondays. This looks great and I need to come to your block party! Carrie, A Mother’s Shadow

    Reply
  2. My hubby is a confirmed peanut butter/chocoholic. The kids & I will be making this surprise cake for his birthday on Sunday. Maddie loved watching Olivia make it. I may have to use half size jelly roll pans so each kid can make their own. Thanks for the great idea!

    Reply

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