Peanut Butter Sheet Cake

Prep: 15 min Cook: 20 min Serves: 12 Cuisine: American

A rich, moist sheet cake featuring the classic pairing of peanut butter and sweetness. Its tender crumb and nutty flavor make it perfect for gatherings or a comforting treat. Topped with a creamy peanut butter frosting, it appeals to peanut lovers and dessert enthusiasts alike.

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Ingredients

  • 2 cups plain flour
  • 1/2 tablespoon salt
  • 1 cup water
  • 2 eggs
  • 1/2 cup buttermilk
  • 2 cups sugar
  • 2 sticks margarine
  • 3/4 cup peanut butter
  • 1 teaspoon baking soda
  • 1 teaspoon vanilla

Instructions

  1. Sift flour and measure, then sift again with sugar and salt.
  2. Put water, margarine, and peanut butter in a saucepan and bring to a boil.
  3. Pour the hot mixture over the flour mixture.
  4. Mix well until combined.
  5. In a separate bowl, beat eggs and then add baking soda, buttermilk, and vanilla; mix well.
  6. Add the egg mixture to the peanut butter mixture and blend well.
  7. Pour the batter into a large sheet cake pan.
  8. Bake at 350°F (175°C) for 20 minutes.
  9. Start making the icing 5 minutes before the cake is done.
  10. Punch holes in the cake with a fork as soon as it comes out of the oven.
  11. Frost the hot cake with Peanut Butter Frosting.

Nutrition & Diet Analysis (per serving)

631 kcal 32% DV
Protein Fat Carbs

Macronutrients

Protein 11.7g 23% DV
Total Fat 35.4g 45% DV
Carbs 55.6g 20% DV
Fiber 3.8g 14% DV
Sugar 6.6g 13% DV

Electrolytes

Sodium 16916.5mg 100% DV
Potassium 487mg 10% DV
Cholesterol 67.3mg 22% DV

Vitamins & Minerals

Vitamin A 27.5mcg 3% DV
Vitamin C 9.2mg 10% DV
Vitamin D 0.3mcg 2% DV
Calcium 118.8mg 9% DV
Iron 2.4mg 13% DV

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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