Description
This Peanut Butter Cake with Peanut Butter Frosting is the ultimate dessert for peanut butter lovers. Made with creamy peanut butter, brown sugar, and topped with a luscious peanut butter buttercream, this moist, rich cake is perfect for birthdays, potlucks, or casual indulgence. It’s one of the best homemade peanut butter cake recipes with easy ingredients and full flavor.
Ingredients
1 ¾ cups all-purpose flour
1 tablespoon baking powder
½ teaspoon salt
½ cup unsalted butter, softened
1 cup creamy peanut butter
¾ cup granulated sugar
½ cup brown sugar
2 large eggs
2 teaspoons vanilla extract
1 cup milk
½ cup creamy peanut butter
¼ cup unsalted butter, softened
2 cups powdered sugar
2–3 tablespoons milk (as needed for consistency)
Instructions
1. Preheat your oven to 350°F and grease or line a 9×13-inch baking pan.
2. In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.
3. In a large mixing bowl, cream the butter, peanut butter, granulated sugar, and brown sugar until light and fluffy.
4. Add eggs one at a time, mixing well after each. Stir in vanilla extract.
5. Gradually alternate adding the dry mixture and milk to the wet mixture, starting and ending with dry. Mix until just combined.
6. Pour the batter into your prepared pan and smooth the top.
7. Bake for 30–35 minutes, or until a toothpick inserted comes out clean. Cool completely.
8. For the frosting, beat together peanut butter and softened butter until smooth. Gradually add powdered sugar and milk until creamy and spreadable.
9. Spread frosting over cooled cake and serve.
Notes
This cake is freezer-friendly.
Let the cake cool completely before frosting.
Use creamy shelf-stable peanut butter for best results.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 420
- Sugar: 30g
- Sodium: 220mg
- Fat: 23g
- Saturated Fat: 7g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 2g
- Protein: 8g
- Cholesterol: 55mg