Peanut Butter Sheet Cake Recipe

Peanut Butter Sheet Cake Recipe

Photos of Peanut Butter Sheet Cake Recipe

How To Make Peanut Butter Sheet Cake

Whipping up this sweet and salty peanut butter cake is a quick way to satisfy your sweet cravings! It’s made tastier with a smooth and nutty frosting.

Preparation: 10 minutes
Cooking: 35 minutes
Total: 45 minutes



  • ¾cuppeanut butter
  • ½cupunsalted butter,softened
  • 2cupssugar
  • 2large eggs
  • 2tspvanilla extract
  • 1cupwhole milk
  • 1cupwater
  • 2cupsflour
  • 1tspbaking soda
  • ½tspsalt
  • 3cupspeanut butter frosting,*


  1. Preheat the oven to 350 degrees F and spray a 9×13-inch baking dish with baking spray.

  2. Microwave the peanut butter for 30 seconds in a microwave-safe bowl, covered with a wet paper towel, until runny.

  3. To a stand mixer, add the peanut butter, butter and sugar and cream on high speed for 1 minute. Add in the eggs and vanilla until well combined.

  4. On the lowest speed setting, add in the milk and water until smooth.

  5. Sift together flour, baking soda and salt in a bowl.

  6. On the lowest speed setting, add the flour in batches until just combined.

  7. Pour the batter into the baking dish, then bake for 30 to 35 minutes or until a toothpick comes out clean.

  8. Spread the peanut butter frosting evenly over the cake while it’s still warm.

  9. Serve, and enjoy!

Recipe Notes


  • Calories: 402.78kcal
  • Fat: 16.99g
  • Saturated Fat: 5.50g
  • Trans Fat: 0.20g
  • Monounsaturated Fat: 5.92g
  • Polyunsaturated Fat: 4.71g
  • Carbohydrates: 59.26g
  • Fiber: 0.82g
  • Sugar: 46.69g
  • Protein: 4.50g
  • Cholesterol: 32.02mg
  • Sodium: 209.51mg
  • Calcium: 26.39mg
  • Potassium: 106.23mg
  • Iron: 0.48mg
  • Vitamin A: 52.43µg
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