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½ cup (113 g) unsalted butter, melted
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1 cup (250 g) creamy peanut butter (not natural‑style)
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1 ⅓ to 2 cups powdered sugar (confectioners’ sugar)
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1 cup graham cracker crumbs (≈8 sheets) or vanilla wafer crumbs (optional – for structure) Sally’s Baking Addiction+1
For the chocolate topping
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1 cup (180–200 g) semi‑sweet chocolate chips (or chopped chocolate)
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2 Tbsp peanut butter (for melting with chocolate)
Instructions
Step 1: Prepare the base
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Line an 8‑inch or 9‑inch square baking pan with parchment paper or foil, leaving an overhang for easy removal.
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In a medium bowl, combine the melted butter and creamy peanut butter until smooth.
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Stir in the powdered sugar and graham cracker crumbs (or vanilla wafer crumbs) until the mixture is thick and holds together when pressed.
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Press the mixture evenly into the prepared pan, forming a firm layer.
Step 2: Add the chocolate topping
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In a microwave‑safe bowl (or using double boiler), melt the chocolate chips together with the 2 Tbsp peanut butter, stirring every 30 seconds until completely smooth.
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Pour or spread the melted chocolate mixture evenly over the peanut butter base.
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Refrigerate the pan until the chocolate is fully set and the bars are firm (about 1‑2 hours).
Step 3: Slice and serve
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Using the parchment/foil overhang, lift the set bars out of the pan and place on a cutting board.
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With a sharp knife, cut into 16‑20 squares (depending on size preference).
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Serve chilled or at room temperature.
Tips for Success
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Use creamy peanut butter (not natural‑separation type) so the bars set properly. The Pioneer Woman
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Thoroughly press the base layer firmly into the pan so it will hold together when cut.
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Cool completely in the fridge before slicing—this helps clean cuts and crisp edges.
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For sharper cuts, run the warm knife under hot water, dry it, then slice; wipe between cuts.
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To avoid grainy texture, ensure powdered sugar is fully incorporated and no lumps remain. Culinary Hill
Variations
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Nut‑free version: Use sun butter or almond butter instead of peanut butter; ensure toppings are nut‑free.
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Crunchy base add‑in: Stir in chopped peanuts or crushed pretzels into the base for added texture.
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Chocolate variety: Use milk or dark chocolate for the topping; sprinkle sea salt on top for contrast.
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Mini cups version: Press the base mixture into mini muffin cups, top with chocolate, chill and serve as mini bars.