INGREDIENTS
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1 cup all purpose flour
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2 tablespoons cocoa powder
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1 teaspoon baking powder
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1 teaspoon baking soda
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1/2 teaspoon salt
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1 cup water
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1 cup sugar
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3 oz dark chocolate, chopped
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3 tablespoons unsalted butter
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1 tablespoon vegetable oil
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1/2 teaspoon vanilla extract
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1 large egg
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6 tablespoons unsalted butter, room temperature
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1/2 cup creamy peanut butter
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1/2 teaspoon vanilla extract
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1/4 teaspoon salt
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3/4 cup powdered sugar
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about 1 tablespoon milk
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4 tablespoons unsalted butter
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2 tablespoons milk
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2 teaspoons corn syrup
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1 teaspoon vanilla extract
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2 ounces dark chocolate, chopped
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1 cup confectioners' sugar, sifted
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8 (full size) Reese's Peanut Butter Cups, chopped