Brownie Cake

This easy brownie cake recipe brings together two box mixes to make the easiest, fudgy brownie cake filled with a luscious peanut butter cheesecake filling. Then, it’s all topped off with decadent drizzles of ganache and peanut butter.

Chocolate lovers will fall head over heels for this rich chocolate cake, and peanut butter lovers will swoon over the creamy filling. 

The next time you’re looking for an easy dessert that’s sure to satisfy anyone’s sweet tooth, try this irresistible fudgy cake filled with peanut buttery goodness.

Common Questions about Brownie Cake

What is brownie cake made of? 

This brownie cake is made of cake layers created using a brownie mix and chocolate cake mix. It’s then filled with a peanut butter cheesecake filling and drizzled with both chocolate and peanut butter. 

How do you eat brownie cake? 

With a fork! But also, you can top it with anything from berries or whipped cream to ice cream. 

Can I eat my brownie batter? 

The general consensus is that it is unsafe to eat batter that incorporates raw eggs. 

Storage

It’s likely you won’t have any leftover cake, but if you do, you can easily store it.

Refrigerator – Store in an airtight container in the refrigerator for up to 3 days. You can also wrap individual slices with plastic wrap.

Freezer – Wrap with plastic wrap and freeze in a freezer-safe container or a resealable freezer bag.

Tips On How To Make The Ultimate Brownie Cake

• Be sure to place the bundt pan on a baking sheet to catch any potential overflow. 
• Use room temperature ingredients.
• Avoid overheating the cream.

Ingredients

Cake

• Boxed chocolate cake mix
• Boxed brownie mix
• Eggs
• Water
• Oil

Peanut Butter Cheesecake Filling

• Cream cheese (softened)
• Granulated sugar
• Egg
• Peanut butter (creamy)

Chocolate Ganache

• Heavy cream
• Semi-sweet chocolate chips
• Decorate
• Peanut butter
• Mini peanut butter cups (for garnish)

Kitchen Supplies You’ll Need 

Standard baking supplies are all you need for this simple recipe.

• Bundt pan
• Large mixing bowl and medium mixing bowl
• Stand mixer with a paddle attachment or an electric mixer

How to Make Easy Chocolate Brownie Cake

This is such an easy recipe that yields incredibly impressive results. 

Cake

1. Add the cake mix, brownie mix, and wet ingredients (per package directions) to a large bowl and mix to combine. Use a rubber spatula to scrape down the sides of the bowl to incorporate all ingredients.
2. Transfer half of the cake batter to the prepared pan sprayed with cooking spray.

Peanut Butter Cheesecake Filling

1. Add the cream cheese, sugar, egg, and peanut butter to a medium mixing bowl and mix until completely combined. 
2. Spoon the mixture on top of the batter in the bundt pan. 
3. Pour the remaining cake batter over top of the peanut butter. 
4. Place the baking sheet in the oven and put the bundt pan on top. 
5. Bake until the cake passes the toothpick test. 
6. Allow the cake to cook briefly in the pan before inverting it onto a wire rack.
7. Cool completely before transferring from the cooling rack to a serving plate and drizzling with ganache.

Ganache

1. Microwave the heavy cream until warm. 
2. Slowly pour the chocolate chips into the heated cream and allow to sit briefly to soften. 
3. Stir the melted chocolate into the cream until the mixture is smooth and shiny. 
4. Drizzle the chocolate mixture over the cake.

Decorate

1. Microwave the peanut butter until melted. 
2. Spoon the peanut butter over top and let it drizzle down the sides of the cake.
3. Add garnishes as desired.

What to Serve With Brownie Cake

This cake is so decadent, you’ll hardly need any other accompaniments. But if you want to pair it, we have a few suggestions. 

• Coffee – A regular cup of coffee, a latte, or a cold brew pair well with this cake. 
• Ice cream – A simple vanilla ice cream will pair perfectly, but if you want to double down on your indulgence, try rocky road or a turtle ice cream.
• Whipped Cream – A dollop of sweet whipped cream is the ideal textural match for this sweet treat. 

Why You Should Make Brownie Cake

If you’re a fan of peanut butter and chocolate there’s nearly no reason not to make this decadent cake. 

• Easy – Using a boxed mix simplifies the process and the microwave helps with warming ingredients for the filling and the ganache. 
• Versatile – This cake is a great way to satisfy a sweet tooth – just keep it around the house for easy snacking. Or, impress guests by serving it on a special occasion. 
• Convenient – All of the ingredients are easily accessible at your local grocery store.

Variations and Add-ins

Make this your signature cake by incorporating a few twists. 

• Chips – Toss milk chocolate or dark chocolate chips or peanut butter chips into the batter or garnish with them. 
• Cake – Make your own homemade chocolate cake batter from scratch. 
• Caramel – Add a layer of caramel sauce for the topping.
• Powdered sugar – Dust the top of the cake with confectioner’s sugar.
• Topping – Instead of ganache and peanut butter, try using a chocolate cream cheese frosting by incorporating cocoa powder into a traditional cream cheese frosting.
• Extract – Try adding a dash of vanilla extract to bring out the flavors of the other ingredients.

If you love this easy Brownie Cake recipe, you’re going to love these other peanut butter and chocolate combos too. Please click each link below to find the easy, printable recipe!

Other Creative Cakes

S’mores Cake

Zebra Cake

Snickerdoodle Cake

Apple Cider Donut Cake

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