Peanut Butter Cake

Name: Peanut Butter Cake
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Yield: 15 serving
Ingredients: 3 cups cake flour; 1 tablespoon baking powder; 1 teaspoon salt; 1 ¾ cups light brown sugar; ½ cup unsalted butter; ½ cup vegetable oil; 2 teaspoons vanilla extract; ¾ cup creamy peanut butter; 4 large eggs; 1 ¼ cups whole milk; 1 cup unsalted butter; 1 cup creamy peanut butter; ¼ cup unsweetened cocoa powder; 3 cups powdered sugar; ¼ cup heavy whipping cream

User Reviews

5.0

72 reviews

Excellent

Prep Time
20 mins
Cook Time
20 mins
Total Time
1 hr
Servings
15
Calories
735 kcal
Course
Dessert, Cake
Cuisine
American

Peanut Butter Cake

Deacon Knight

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Peanut Butter Cake is sweet and fluffy with homemade creamy frosting on top. It's sure to be a treat the whole family will love.

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Ingredients

Servings

Cake:

3 cups cake flour
1 tablespoon baking powder
1 teaspoon salt
1 ¾ cups light brown sugar packed
½ cup unsalted butter softened
½ cup vegetable oil
2 teaspoons vanilla extract
¾ cup creamy peanut butter
4 large eggs
1 ¼ cups whole milk

Frosting:

1 cup unsalted butter softened
1 cup creamy peanut butter
¼ cup unsweetened cocoa powder
3 cups powdered sugar
¼ cup heavy whipping cream

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Instructions

Preheat oven to 350°F. Grease and flour a 9x13 pan.
Place cake flour, baking powder, and salt in a bowl and whisk to combine.
With an electric mixer or stand mixer on medium speed, cream brown sugar and butter until fluffy. Add oil and vanilla and mix until combined.
Increase the speed to medium-high and beat until light and fluffy, 3-4 minutes.
Add peanut butter and mix until incorporated and then add eggs one at a time.
Alternate adding flour and milk a bit at a time just until incorporated. Be sure not to overmix.
Spread the batter into the prepared baking pan. Bake 28-32 minutes or until a toothpick comes out clean.
Remove from the oven and allow to cool completely before frosting.

To Frost:

While the cake is baking, cream butter and peanut butter.
Add cocoa powder and mix until fully incorporated.
Add powdered sugar 1 cup at a time, mixing slowly until incorporated.
Slowly add in the heavy cream with the mixer running on low speed until incorporated then increase speed to medium-high and whip for about 2 minutes until light and fluffy.
Once cooled spread the frosting over the cake and serve.

Notes

Ensure ingredients are room temperature before starting.
Brown sugar can be replaced with granulated sugar but the flavor will change slightly.
Ensure ingredients are room temperature before starting.
Brown sugar can be replaced with granulated sugar but the flavor will change slightly.
Do not overmix the batter, ingredients should just be incorporated.
Do not use natural peanut butter in this recipe.

Nutrition Information

Show Details

Calories 735 (37%) Carbohydrates 76g (25%) Protein 13g (26%) Fat 45g (69%) Saturated Fat 18g (90%) Polyunsaturated Fat 6g Monounsaturated Fat 19g Trans Fat 1g Cholesterol 99mg (33%) Sodium 321mg (13%) Potassium 389mg (11%) Fiber 3g (12%) Sugar 53g (106%) Vitamin A 722IU (14%) Vitamin C 1mg (1%) Calcium 116mg (12%) Iron 1mg (6%)

Nutrition Facts

Serving: 15Serving

Amount Per Serving

Calories 735 kcal

% Daily Value*

Calories	735	37%
Carbohydrates	76g	25%
Protein	13g	26%
Fat	45g	69%
Saturated Fat	18g	90%
Polyunsaturated Fat	6g	35%
Monounsaturated Fat	19g	95%
Trans Fat	1g	50%
Cholesterol	99mg	33%
Sodium	321mg	13%
Potassium	389mg	8%
Fiber	3g	12%
Sugar	53g	106%
Vitamin A	722IU	14%
Vitamin C	1mg	1%
Calcium	116mg	12%
Iron	1mg	6%