Decadent Chocolate Peanut Butter Layer Bars: A Classic American Indulgence

These luxurious Chocolate Peanut Butter Layer Bars represent the ultimate fusion of two beloved flavors in American dessert history. Drawing inspiration from the iconic peanut butter cup, first created by H.B. Reese in 1928, these bars elevate the classic combination with distinct layers of rich chocolate and creamy peanut butter, all resting on a buttery graham cracker foundation.

Time Requirements

  • Prep Time: 30 minutes
  • Chill Time: 4 hours
  • Total Time: 4 hours 30 minutes
  • Servings: 16 bars

Ingredients

Graham Cracker Base

  • 2 cups (240g) graham cracker crumbs
  • 1/2 cup (113g) butter, melted
  • 1/4 cup (50g) granulated sugar
  • 1/8 teaspoon salt

First Chocolate Layer

  • 1 cup (170g) semi-sweet chocolate chips
  • 1/4 cup (60ml) heavy cream
  • 1 tablespoon (14g) butter

Peanut Butter Layer

  • 2 cups (480g) creamy peanut butter
  • 1 cup (120g) powdered sugar
  • 1/4 cup (57g) butter, softened
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon salt

Chocolate Topping

  • 1 1/2 cups (255g) semi-sweet chocolate chips
  • 1/3 cup (80ml) heavy cream
  • 2 tablespoons (28g) butter

Detailed Instructions

Preparing the Pan

  1. Line a 9×9 inch (23x23cm) baking pan with parchment paper.
  2. Leave overhang on all sides for easy removal.
  3. Lightly grease the parchment paper (optional).

Creating the Graham Cracker Base

  1. In a medium bowl, combine graham cracker crumbs, melted butter, sugar, and salt.
  2. Mix until the mixture resembles wet sand.
  3. Transfer to prepared pan.
  4. Press firmly and evenly using the bottom of a measuring cup.
  5. Refrigerate while preparing the next layer.

First Chocolate Layer

  1. Place chocolate chips in a heatproof bowl.
  2. Heat heavy cream in a small saucepan until just simmering.
  3. Pour hot cream over chocolate chips.
  4. Let stand for 2 minutes undisturbed.
  5. Whisk until completely smooth.
  6. Add butter and stir until melted and incorporated.
  7. Pour over chilled crust.
  8. Gently tap pan to remove air bubbles.
  9. Refrigerate for 30 minutes until set.

Peanut Butter Layer

  1. In a large bowl, combine peanut butter, powdered sugar, softened butter, vanilla, and salt.
  2. Beat with an electric mixer until smooth and creamy.
  3. Carefully spread over the chilled chocolate layer.
  4. Use an offset spatula for even distribution.
  5. Refrigerate for 30 minutes.

Chocolate Topping

  1. Repeat the process used for the first chocolate layer.
  2. Pour over the chilled peanut butter layer.
  3. Smooth the top with an offset spatula.
  4. Gently tap pan to remove any air bubbles.

Final Steps

  1. Refrigerate for at least 4 hours or overnight.
  2. Remove from pan using parchment paper overhang.
  3. Heat a large knife under hot water and dry thoroughly.
  4. Cut into 16 squares, cleaning and reheating knife between cuts.
  5. Let bars sit at room temperature for 5-10 minutes before serving.

Storage Guidelines

  • Store in an airtight container in the refrigerator for up to 1 week.
  • Can be frozen for up to 3 months.
  • Layer with parchment paper when storing.
  • Best served slightly chilled.

Nutrition Information (per bar)

  • Calories: 485
  • Fat: 35g
  • Protein: 9g
  • Carbohydrates: 42g
  • Fiber: 3g
  • Sugar: 34g
  • Sodium: 245mg

Expert Tips for Perfect Bars

Temperature Control

  • Ensure all refrigeration times are strictly followed.
  • Room temperature peanut butter creates the smoothest filling.
  • Allow bars to sit briefly at room temperature before serving for optimal texture.

Chocolate Selection

  • Use high-quality chocolate chips (60-70% cacao).
  • Choose chocolate specifically made for melting.
  • Avoid chocolate chips containing wax or stabilizers.

Layering Technique

  • Wait until each layer is properly set before adding the next.
  • Use gentle pressure when spreading layers to avoid mixing.
  • Keep offset spatula clean between layers.

Cutting Perfect Squares

  • Use a ruler to mark cutting lines.
  • Heat knife under hot water before each cut.
  • Wipe blade clean between cuts.
  • Apply firm, steady pressure when cutting.

Troubleshooting Common Issues

  • If layers separate: Ensure each layer is at the right temperature before adding the next.
  • If chocolate seizes: Add a small amount of warm cream to restore smoothness.
  • If bars are too soft: Increase refrigeration time.
  • If cutting is difficult: Heat knife longer between cuts.

These multi-layered bars require patience and attention to detail, but the result is a professional-looking dessert that rivals any bakery creation. The combination of smooth chocolate, creamy peanut butter, and crunchy graham base creates an irresistible texture contrast that makes these bars truly memorable.

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