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Classic Peanut Butter Cake

A deliciously classic peanut butter cake, with peanut butter frosting. A decidedly retro cake, with very few bells and whistles. yields a very moist, lightly sweet cake.

Prep Time
30 mins
Cook Time
30 mins
Total Time
1 hr
Servings: 10
Calories: 517 kcal
Course: Dessert
Cuisine: American

Ingredients

For the cake:
  • 2 1/3 cups all-purpose flour
  • 2 teaspoons baking powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup oil
  • 1/2 cup peanut butter
  • ¾ cup sugar
  • 3 eggs
  • 1 teaspoon vanilla extract
  • 1 cup buttermilk
For the peanut butter frosting:
  • 3 oz. softened cream cheese
  • 1/2 cup creamy peanut butter
  • 3/4 cup confectioner’s sugar
  • 1/2 teaspoon vanilla
  • 2 tablespoons milk

Instructions

    Cup of Yum
  1. Preheat your oven to 350 degrees F and grease/flour two 8-inch round pans or one 9x13-inch sheet pan.
  2. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt and set aside. In a large bowl, beat together the oil, peanut butter, and sugar until smooth. Beat in the eggs one at a time, followed by the vanilla. Add the dry ingredients to the peanut butter mixture, alternating with the buttermilk, starting and ending with the dry ingredients. Fold it all together gently until smooth.
  3. Divide evenly among cake pans and smooth out the top. Bake for 25-30 minutes, or until a toothpick comes out clean. Cool completely and frost with peanut butter frosting.
  4. To make the frosting, beat everything together until smooth. If it’s too thick, add a little more milk (a teaspoon at a time). If it’s too thin, add a bit more sugar.

Notes

  • Makes one 2-layer, 8-inch cake.

Nutrition Information

Calories 517kcal (26%) Carbohydrates 53g (18%) Protein 13g (26%) Fat 30g (46%) Saturated Fat 6g (30%) Cholesterol 61mg (20%) Sodium 418mg (17%) Potassium 346mg (10%) Fiber 2g (8%) Sugar 28g (56%) Vitamin A 225IU (5%) Calcium 97mg (10%) Iron 2.2mg (12%)

Nutrition Facts

Serving: 10Serving

Amount Per Serving

Calories 517

% Daily Value*

Calories 517kcal 26%
Carbohydrates 53g 18%
Protein 13g 26%
Fat 30g 46%
Saturated Fat 6g 30%
Cholesterol 61mg 20%
Sodium 418mg 17%
Potassium 346mg 7%
Fiber 2g 8%
Sugar 28g 56%
Vitamin A 225IU 5%
Calcium 97mg 10%
Iron 2.2mg 12%

* Percent Daily Values are based on a 2,000 calorie diet.