Description
Peanut Butter Cake with Peanut Butter Frosting is a rich, moist cake bursting with creamy peanut butter flavor in every bite. Topped with fluffy peanut butter frosting, it’s a nutty, indulgent treat perfect for celebrations or when you’re craving something comforting and decadent.
Ingredients
- For the cake:
2 cups all-purpose flour
1 teaspoon baking powder
½ teaspoon baking soda
¼ teaspoon salt
½ cup unsalted butter, softened
1 cup granulated sugar
2 large eggs
½ cup creamy peanut butter
1 teaspoon vanilla extract
½ cup milk or buttermilk - For the frosting:
1 cup creamy peanut butter
½ cup unsalted butter, softened
2 cups powdered sugar
1 teaspoon vanilla extract
1–2 tablespoons milk or heavy cream (if needed for consistency)
Instructions
- Preheat oven to 350°F (175°C). Grease a 9×13‑inch pan or two 8‑inch round cake pans.
- In a bowl, whisk together flour, baking powder, baking soda, and salt.
- In a separate bowl, cream butter and sugar until light and fluffy.
- Beat in eggs one at a time, then mix in peanut butter and vanilla until smooth.
- Alternate adding the dry ingredients and milk, mixing just until combined.
- Pour batter into prepared pan(s) and bake for 30–35 minutes, or until a toothpick inserted in the center comes out clean. Cool completely.
- To make the frosting: beat peanut butter and butter until smooth. Gradually add powdered sugar and vanilla, then mix in milk or cream until fluffy and spreadable.
- Frost the cooled cake evenly. For extra flair, optionally sprinkle chopped peanuts or drizzle melted chocolate on top.
Notes
- Swirl in jam for a peanut butter & jelly flavor.
- Add mini chocolate chips or layer with chocolate ganache for a more decadent twist.
- Make cupcakes by dividing batter into muffin tins and baking for 18–22 minutes.
- Top with chopped nuts or chocolate drizzle for texture.
Nutrition
- Serving Size: 1 slice (1/12 of 9×13 cake)
- Calories: Approximately 440 kcal
- Sugar: About 59g
- Sodium: Around 430mg
- Fat: About 20g
- Saturated Fat: About 4g
- Unsaturated Fat: undefined
- Trans Fat: undefined
- Carbohydrates: Approximately 59g
- Fiber: undefined
- Protein: About 6g
- Cholesterol: Approx. 44mg
