Description
If chocolate and peanut butter are your love language, these Reese’s Bars will steal your heart. Made with a fudgy brownie base, chopped Reese’s peanut butter cups, peanut butter chips, and a drizzle of sweetened condensed milk, these bars are rich, gooey, and irresistibly decadent. Best of all, they come together fast using a boxed brownie mix—making them perfect for parties, potlucks, holidays, or anytime cravings hit
Ingredients
- 1 box 19–19.1 oz brownie mix (check the size!)
- ½ cup (113g) unsalted butter, softened (1 stick)
- 1 large egg
- ¼ cup (59 ml) vegetable oil
- 6 Reese’s peanut butter cups, chopped (regular size)
- ½ cup (85g) peanut butter chips
- 14 oz sweetened condensed milk (use about ¾ of the can)
Instructions
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Preheat oven to 350°F (175°C).
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Line a 9×13-inch pan with aluminum foil and lightly spray with non-stick spray.
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In a large bowl, mix:
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softened butter
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egg
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vegetable oil
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brownie mix
(The batter will be very thick.)
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Press the brownie mixture evenly into the prepared pan.
Tip: Spray your hands with non-stick spray for easy pressing. -
Sprinkle chopped Reese’s cups evenly over the brownie base.
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Add peanut butter chips on top.
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Drizzle about ¾ of the sweetened condensed milk evenly over the bars, stopping while some brownie batter is still visible.
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Bake for 28–30 minutes, or until the center is set.
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Cool completely, then refrigerate before slicing.
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Lift out using foil and cut into bars.
Notes
- Serve chilled for clean slices and maximum fudginess
- Perfect with cold milk or hot coffee
- Cut with a warm knife for neat edges
- Store in an airtight container in the fridge up to 5 days
- Freeze for up to 2 months (wrap tightly)