Easy Peanut Butter Sheet Cake & Chocolate Frosting

Name: Easy Peanut Butter Sheet Cake & Chocolate Frosting
Prep time: 10 min
Cook time: 23 min
Total time: 33 min
Cuisine: American
Ingredients: ½ cup (1 stick) unsalted butter; 1 cup water; ½ cup peanut butter; 2 cups sugar; 2 cups all-purpose flour ((for gluten free I recommend Cup4Cup gluten free flour)); ½ teaspoon baking soda; ½ teaspoon salt; 2 eggs; ½ cup milk; 1 teaspoon vanilla extract; 1/2 cup (1 stick) unsalted butter; 6 tablespoons unsweetened cocoa powder; 6 tablespoons sour cream; 3 ½ cups powdered sugar; ¼ cup chopped peanuts, (for topping)

6 steps

Prep:10minCook:23min

This fluffy and moist peanut butter sheet cake is easy and quick to make. Once baked, top the peanut butter cake with homemade chocolate frosting and serve! A simple cake full of peanut butter flavor that’s ready within 30 minutes.

Updated at: Thu, 21 Nov 2024 11:50:03 GMT

Nutrition balance score

Unbalanced

Glycemic Index

Moderate

Glycemic Load

High

Nutrition per serving

Calories359.2 kcal (18%)

Total Fat14.8 g (21%)

Carbs54.4 g (21%)

Sugars42.6 g (47%)

Protein4.3 g (9%)

Sodium117.8 mg (6%)

Fiber1.2 g (4%)

% Daily Values based on a 2,000 calorie diet

Ingredients

20 servings

½ cupunsalted butter

1 cupwater

½ cuppeanut butter

2 cupssugar

2 cupsall-purpose flour

for gluten free I recommend Cup4Cup gluten free flour

½ teaspoonbaking soda

½ teaspoonsalt

2eggs

½ cupmilk

1 teaspoonvanilla extract

½ cupunsalted butter

6 tablespoonsunsweetened cocoa powder

6 tablespoonssour cream

3 ½ cupspowdered sugar

¼ cuppeanuts

chopped, for topping

Instructions

Peanut Butter Cake:

Step 1

Preheat oven to 350ºF. Grease a 10X15" jelly roll pan. (For 9X13" pan see recipe notes)

Step 2

In a large saucepan melt butter over medium heat. Add water and peanut butter and bring to a boil. Remove from heat and stir in sugar. To the saucepan add flour, baking soda, and salt. Stir until well blended.

Step 3

In a small bowl whisk together eggs, milk, and vanilla extract. Add liquids to saucepan and stir until very well combined and smooth. Pour into prepared pan and bake 23-25 minutes, rotating pan once during baking. Cake is done when a toothpick inserted in middle comes clean. (For 9X13" pan see recipe notes). As soon as cake comes out of oven, make chocolate frosting.

Chocolate Frosting:

Step 4

In a medium saucepan add butter and cocoa powder. Stir together over medium heat until butter melts and mixture is very smooth.

Step 5

Remove from heat and stir in sour cream and vanilla extract. Gradually stir in powdered sugar until frosting is smooth and no lumps remain. Immediately pour on warm cake and spread evenly. Sprinkle on chopped peanuts. Eat warm to experience cake heaven.

Step 6

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