Description
Craving something rich, nutty, and irresistible? This Peanut Butter Cake with Peanut Butter Frosting is a decadent treat that combines the deep flavor of roasted peanuts with a moist, fluffy cake base and velvety smooth frosting. It’s the perfect go-to for dessert lovers looking for easy food ideas, quick baking options, and indulgent snack or party treats. Whether you’re browsing for breakfast ideas or easy dinner dessert pairings, this easy recipe delivers big flavor with minimal effort. A real winner in the world of sweet, satisfying comfort food.
Ingredients
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
1 cup creamy peanut butter
2 cups powdered sugar, sifted
2 tablespoons heavy cream or milk (plus more if needed)
1/2 teaspoon vanilla extract
Pinch of salt
Chopped peanuts for topping (optional)
Instructions
1. Preheat oven to 350°F (175°C). Grease a 9×13-inch pan and set aside.
2. In a large bowl, beat butter and peanut butter until smooth.
3. Add granulated and brown sugars; beat until light and fluffy.
4. Mix in eggs one at a time, then stir in vanilla extract.
5. In another bowl, whisk flour, baking powder, baking soda, and salt.
6. Alternate adding dry ingredients and milk to the batter, beginning and ending with dry ingredients.
7. Fold in chopped peanuts if using.
8. Pour batter into pan and smooth the top.
9. Bake for 30–35 minutes or until a toothpick comes out clean.
10. Cool completely in the pan on a wire rack.
11. For frosting, beat butter and peanut butter until creamy.
12. Add powdered sugar gradually, then mix in vanilla and cream until smooth.
13. Spread frosting evenly over cooled cake.
14. Top with chopped peanuts if desired.
15. Slice, serve, and enjoy!
Notes
Let your cake cool fully before frosting to prevent melting.
Use room temperature ingredients for a smoother batter and better rise.
A pinch of flaky sea salt on top adds an amazing flavor contrast.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 470
- Sugar: 33g
- Sodium: 210mg
- Fat: 27g
- Saturated Fat: 9g
- Unsaturated Fat: 16g
- Trans Fat: 0g
- Carbohydrates: 48g
- Fiber: 2g
- Protein: 7g
- Cholesterol: 65mg