Peanut Butter Sheet Cake with Peanut Butter Frosting Recipe
Indulge in the rich, nutty flavors of this Peanut Butter Sheet Cake with Peanut Butter Frosting. A perfect treat for peanut butter lovers, this moist and decadent cake is topped with a creamy peanut butter frosting and crunchy chopped peanuts for added texture.
- Prep Time: 15 minutes
- Cook Time: 15-21 minutes
- Total Time: Approx. 1 hour
- Yield: 1 sheet cake 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Scale
Cake:
- 1/2 cup salted butter, cut into 4 pieces (1 stick)
- 2/3 cup creamy peanut butter
- 1/3 cup milk (whole to skim)
- 1/3 cup vegetable oil
- 1 teaspoon vanilla extract
- 2 large eggs
- 1 box yellow cake mix or Golden Butter (e.g., Duncan Hines)
- 1/3 cup chopped peanuts (for sprinkling)
Frosting:
- 1/2 cup salted butter, cut into 4 pieces
- 1/2 cup creamy or crunchy peanut butter
- 1/3 cup milk (whole to skim)
- 1 teaspoon vanilla extract
- 1 16 ounce box powdered sugar (about 3 3/4 cups)
Instructions
- Preheat Oven: Preheat oven to 350°F. Grease a 15×10-inch sheet pan or 13×9-inch baking pan.
- Mix Peanut Butter Batter: In a microwave-safe bowl, combine butter, peanut butter, and milk. Microwave, then stir in oil and vanilla. Add eggs and cake mix, stirring until smooth.
- Bake: Spread batter in prepared pan. Bake according to pan size until almost done.
- Cool and Frost: After cooling slightly, spread frosting over the cake, sprinkle with peanuts, and let set before slicing.
- Prepare Frosting: In a bowl, combine butter, peanut butter, and milk. Microwave, then stir in vanilla and powdered sugar until smooth.
- Ice the Cake: Pour frosting over the cooled cake, spread evenly, and top with chopped peanuts.
Notes
- For best results, bring the cake to room temperature before slicing for clean cuts.
- Refrigerate briefly for easier slicing and serving.
Nutrition
- Serving Size: 1 slice
- Calories: Approx. 350
- Sugar: 25g
- Sodium: 300mg
- Fat: 18g
- Saturated Fat: 7g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 2g
- Protein: 6g
- Cholesterol: 45mg
Keywords: Peanut Butter, Sheet Cake, Frosting, Dessert, Peanut Butter Lover
