INGREDIENTS
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1 box brownie mix, with ingredients according to package (13x9 size)
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3/4 cup unsalted butter, melted
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1 1/2 cup creamy peanut butter
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1 tsp vanilla extract
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3 cup powdered sugar
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1 package (10 oz) dark chocolate chips (bittersweet morsels, 60%)
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6 Tbsp heavy cream