The Ultimate Peanut Butter and Chocolate Marshmallow Treats

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Photo by Philip Friedman; Styling: Colleen Riley
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  • Makes 16 bars
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Butter an 8-inch square baking pan. Line with 2 crisscrossed pieces of parchment, buttering in between and leaving and overhand on all sides; butter the parchment.Melt the butter, marshmallows, salt, and 1/3 cup of the peanut butter in a medium pot over medium heat. Remove from the heat and stir in a rice cereal. Press into the prepared pan.Place the chocolate and the remaining tablespoon peanut butter in a large microwave-safe bowl. Microwave on high in 30-second intervals, stirring in between, until melted. Spread on the bars. Sprinkle with the peanut butter cups. Let sit until the chocolate is set, 1 to 2 hours.Holding the paper overhang, lift the bars out of the pan and transfer to a cutting board. Cut into 16 squares (4 rows by 4 rows). 

Ingredients

  1. Check 4 tabelspoons (1/2 stick) unsalted butter, plus more for the pan
  2. Check 1 10-ounce bag large marshmallows (about 6 cupes)
  3. Check 3/4 teaspoon fine salt
  4. Check 1/3 cup plus 1 tablespoon creamy peanut butter
  5. Check 6 cups rice cereal (such as Rice Krispies)
  6. Check 3 ounces semisweet chocolate, chopped
  7. Check 1 1/4 cup (about 20) miniature chocolate peanut butter cups, chopped

Directions

  1. Butter an 8-inch square baking pan. Line with 2 crisscrossed pieces of parchment, buttering in between and leaving and overhand on all sides; butter the parchment.
  2. Melt the butter, marshmallows, salt, and 1/3 cup of the peanut butter in a medium pot over medium heat. Remove from the heat and stir in a rice cereal. Press into the prepared pan.
  3. Place the chocolate and the remaining tablespoon peanut butter in a large microwave-safe bowl. Microwave on high in 30-second intervals, stirring in between, until melted. Spread on the bars. Sprinkle with the peanut butter cups. Let sit until the chocolate is set, 1 to 2 hours.
  4. Holding the paper overhang, lift the bars out of the pan and transfer to a cutting board. Cut into 16 squares (4 rows by 4 rows).