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Peanut Butter Sheet Cake Topped with Peanuts

Peanut Butter Sheet Cake

This Peanut Butter Sheet Cake has the perfect ratio of icing to cake! The peanut butter cake is so soft and fluffy and it's covered with a rich peanut butter frosting. That makes it a real winner in my book. 
4.50 from 2 votes
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Course: Dessert
Cuisine: American
Servings: 20 servings
Calories: 383kcal
Author: Jennifer Smith
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes

Ingredients
 

For the Cake:

For the Icing:

Directions

  • Preheat oven to 375 degrees F.
  • In medium pot, add the peanut butter, water and butter. Bring to a boil then remove from heat.
  • In a separate bowl, mix together sugar, brown sugar, flour, salt, and baking soda. Add to the peanut butter mixture and stir well.
  • Add eggs, buttermilk, and vanilla. Mix well. 
  • Pour into greased 12X17 jellyroll pan or large rimmed baking sheet. Bake for 15-20 minutes until top springs back when lightly touched.
  • While cake is baking, in a small pot bring the butter, buttermilk, and peanut butter to a boil. Remove from heat and stir in powdered sugar and vanilla. Pour icing over the cake as soon as it comes out of the oven.

Notes

Top with chopped roasted peanuts, if desired. 

Nutrition Facts

Serving: 1 grams | Calories: 383 kcal | Carbohydrates: 54 g | Protein: 5 g | Fat: 17 g | Saturated Fat: 4 g | Polyunsaturated Fat: 4 g | Monounsaturated Fat: 8 g | Trans Fat: 0.002 g | Cholesterol: 18 mg | Sodium: 368 mg | Potassium: 111 mg | Fiber: 1 g | Sugar: 43 g | Vitamin A: 549 IU | Vitamin C: 0.03 mg | Calcium: 35 mg | Iron: 1 mg
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