Description
Peanut Butter Cake with Peanut Butter Frosting is a rich and nutty dessert that combines the flavors of roasted peanuts with a moist cake and smooth frosting.
Ingredients
Scale
- 1/2 cup unsalted butter, softened
- 1/2 cup creamy peanut butter
- 1 cup granulated sugar
- 1/2 cup light brown sugar, packed
- 3 large eggs, room temperature
- 1 teaspoon vanilla extract
- 1 1/2 cups all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 3/4 cup whole milk
- 1/2 cup chopped roasted peanuts (optional)
- 1/2 cup unsalted butter, softened (for frosting)
- 1 cup creamy peanut butter (for frosting)
- 2 cups powdered sugar, sifted
- 2 tablespoons heavy cream or milk (plus more if needed)
- 1/2 teaspoon vanilla extract (for frosting)
- Pinch of salt (for frosting)
- Chopped peanuts for topping (optional)
Instructions
- Preheat oven to 350°F (175°C). Grease a 9×13-inch pan and set aside.
- In a large bowl, beat butter and peanut butter until smooth.
- Add granulated and brown sugars; beat until light and fluffy.
- Mix in eggs one at a time, then stir in vanilla extract.
- In another bowl, whisk flour, baking powder, baking soda, and salt.
- Alternate adding dry ingredients and milk to the batter, beginning and ending with dry ingredients.
- Fold in chopped peanuts if using.
- Pour batter into pan and smooth the top.
- Bake for 30–35 minutes or until a toothpick comes out clean.
- Cool completely in the pan on a wire rack.
- For frosting, beat butter and peanut butter until creamy.
- Add powdered sugar gradually, then mix in vanilla and cream until smooth.
- Spread frosting evenly over cooled cake.
- Top with chopped peanuts if desired.
- Slice, serve, and enjoy!
Notes
- Use room temperature ingredients for better mixing.
- Store leftovers in an airtight container.
- This cake pairs well with coffee or milk.
- Prep Time: 20 minutes
- Cook Time: 30–35 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 470
- Sugar: 34g
- Sodium: 300mg
- Fat: 27g
- Saturated Fat: 10g
- Unsaturated Fat: 15g
- Trans Fat: 0g
- Carbohydrates: 48g
- Fiber: 2g
- Protein: 7g
- Cholesterol: 70mg