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+ servings
side angle shot of sliced peanut butter cake with strawberry frosting on a wooden cutting board. sliced strawberries scattered in perimeter of shot.

Peanut Butter Cake with Strawberry Frosting

Ashley
Moist, tender peanut butter cake is topped with a smooth strawberry buttercream frosting. This cake is the perfect dessert for any occasion and will be requested again and again!
4.80 from 5 votes
Prep Time 15 mins
Cook Time 30 mins
Total Time 45 mins
Course Dessert
Cuisine American
Servings 24 servings
Calories 373 kcal

Ingredients
  

Peanut Butter Cake

Strawberry Frosting

Instructions
 

  • Preheat your oven to 350 degrees Fahrenheit (177 °C). Spray a 9x13 baking pan with baking spray and set aside.
  • To a large mixing bowl, add flour, baking powder, baking soda, and salt. Whisk the ingredients to combine and set aside.
  • To the bowl of a stand mixer fitted with the paddle attachment, add the oil, brown sugar, granulated sugar, and peanut butter. Mix the ingredients on medium (5-6 on a stand mixer) until combined, about 2-3 minutes.
  • Add in the eggs one at a time, beating to combine after each addition. Beat on medium-low after adding each egg until no more egg is visible.
  • Alternate adding the flour mixture and buttermilk to the peanut butter mixture, starting and ending with the flour. Beat on medium after each addition just until ingredients are combined. This means until no more dry flour or buttermilk are visible in the batter. Add vanilla and beat until just combined.
  • Pour batter into the prepared baking pan and smooth it out in an even layer with a silicone spatula. Transfer the pan to the preheated oven and bake for 25-30 minutes until a toothpick inserted into the center comes out with no wet batter.
  • Allow cake to cool for 10 minutes in the pan then transfer it to a wire rack to cool completely. Do this by very carefully turning the cake out onto parchment paper then carefully flipping it onto a parchment-lined wire cooling rack.
  • While the cake is cooling add the freeze-dried strawberries to a food processor and pulse until they form a fine powder and set aside.
  • Add butter to the bowl of a stand mixer fitted with the paddle attachment and beat on medium-high (speed of 7-8) until smooth and creamy, about 3 minutes. Add strawberries, powdered sugar, half and half or milk, vanilla, and salt to the mixer bowl and beat on low then gradually increase speed as powdered sugar mixes into the frosting.
  • Continue to beat until ingredients are combined and the frosting is smooth and creamy, about 1-2 minutes. Do not overmix the frosting as this can cause it to separate.
  • Spoon frosting out on top of the completely cooled cake and use a frosting spatula to smooth frosting out into an even layer over the cake. Slice and enjoy!

Notes

  • Soften butter by leaving it out at room temperature for at least two hours or overnight.
  • Measure flour by fluffing it with a fork in the bag or container, spooning it into the measuring cup, and leveling it off with a knife.
  • Leftover cake can be stored in an airtight container at room temperature for two days and in the refrigerator for up to five days.

Nutrition

Serving: 1sliceCalories: 373kcalCarbohydrates: 47.2gProtein: 4.4gFat: 19.6gSaturated Fat: 7.5gCholesterol: 42mgSodium: 236mgFiber: 2.2gSugar: 34.6gCalcium: 49mgIron: 2mg
Keyword cake recipes, homemade cake, peanut butter cake, strawberry buttercream, strawberry frosting
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