Go Back
–+ servings
stack of peanut butter bars
Print Recipe
3.72 from 7 votes

Peanut Butter Bars

Peanut Butter Bars are a classic dessert that is easy to make! These triple-layered bars have brownies, peanut butter, and a delicious chocolate ganache.
Prep Time15 minutes
Cook Time18 minutes
Total Time33 minutes
Course: Dessert
Cuisine: American
Keyword: chocolate
Servings: 24 servings
Calories: 684kcal

Ingredients

for the brownies

for the peanut butter layer

for the chocolate ganache

Instructions

for the brownies

  • Pre-heat the oven to 350º and line a 12x17 baking pan with parchment paper. Melt butter the butter and chocolate in a glass bowl in the microwave for one minute. Stir until the chocolate is completely melted.
    mixing a chocolate brownie mix in a glass bowl
  • Add the 2 cups of sugar and 1/2 teaspoon of salt and stir to combine.
    mixing brownie batter in a glass bowl
  • Add the eggs and vanilla and mix well.
    adding eggs to a brownie mixture
  • Add the flour, stirring to combine.
    adding flour to brownie mixture
  • Pour batter into the 12X17 baking pan and bake for about 15-18 minutes or until a toothpick inserted comes out mostly clean. Be careful not to overcook. Let the brownies cool completely.
    spreading brownie batter in a pan

for the peanut butter layer

  • Place the butter in the microwave and heat until it is melted. Add the butter and peanut butter in the bowl of a stand mixer with the paddle attachment. Beat for 30 seconds on medium until the peanut butter and butter is mixed together.
    adding peanut butter to a mixing bowl
  • Add the powdered sugar and stir until the sugar is incorporated.
    mixing peanut butter and powdered sugar
  • Add a pinch of salt and milk. Stir on low until the milk is incorporated. If the mixture seems too stiff, add another 1/2 tablespoon of milk.
    making the peanut butter layer of peanut butter bars
  • Spread the peanut butter filling over the brownies.
    spreading peanut butter on top of brownies

for the chocolate ganache layer

  • Place the chocolate chips and whipping cream in a microwave safe bowl and heat for 1 minute and 15 seconds. Whisk to combine.
    making a chocolate ganache
  • Pour the ganache over the brownies and spread evenly with a rubber spatula.
    adding a chocolate ganache to peanut butter bars
  • Let the ganache set, then cut into squares and serve.
    finished peanut butter bars

Nutrition

Serving: 1brownie | Calories: 684kcal | Carbohydrates: 60g | Protein: 13g | Fat: 47g | Saturated Fat: 23g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 15g | Trans Fat: 1g | Cholesterol: 75mg | Sodium: 348mg | Potassium: 433mg | Fiber: 4g | Sugar: 41g | Vitamin A: 608IU | Vitamin C: 0.2mg | Calcium: 111mg | Iron: 2mg