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Toasted Marshmallow Caramel Rice Krispie Treats Recipe

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3.8 from 11 reviews

Deliciously gooey and crunchy Toasted Marshmallow Caramel Rice Krispie Treats featuring a rich caramel sauce made with brown sugar and apple cider, enhanced with melted mini marshmallows and topped with broiled toasted marshmallows for an irresistible twist on a classic treat.

Ingredients

Caramel Base

  • 1 cup (2 sticks) salted butter, at room temperature
  • 1 cup packed dark brown sugar
  • 1/2 cup apple cider
  • 1 teaspoon salt

Marshmallows and Cereal

  • 1 bag (10-ounce) mini marshmallows
  • 1 box (12-ounce) Rice Krispies cereal
  • 1 bag (12-ounce) regular marshmallows

Instructions

  1. Prepare Pan and Broiler: Line a 9x13 inch pan with parchment paper to prevent sticking and preheat your oven broiler to get ready for toasting the marshmallows later.
  2. Make Caramel Mixture: In a large pot over medium heat, add the butter and dark brown sugar. Allow the butter to melt completely, then stir in the apple cider. Bring the mixture to a boil, stirring constantly until the sugar dissolves and the mixture thickens into a dark, bubbling caramel, about 5 minutes. Add salt and reduce heat to low.
  3. Melt Mini Marshmallows: While keeping the heat low, add the mini marshmallows to the caramel and stir continuously until they melt smoothly into the sauce, approximately 5 minutes. Remove the pot from heat once fully combined.
  4. Combine with Cereal: Stir the Rice Krispies cereal into the caramel-marshmallow mixture, ensuring the cereal is evenly coated.
  5. Toast Regular Marshmallows: Spread the regular marshmallows evenly on a baking sheet and place under the broiler for 1-2 minutes or until they become golden brown and toasted. Watch carefully as they toast quickly to avoid burning.
  6. Mix Toasted Marshmallows: Fold the toasted marshmallows into the cereal mixture immediately to retain their warm gooey texture.
  7. Set in Pan: Transfer the mixture to the prepared pan, spreading it evenly and pressing down firmly to compact. Optionally, sprinkle with flaky salt on top for a flavor contrast.
  8. Cool and Serve: Allow the treats to cool and set for 30 minutes to an hour. Once firm, cut into 24 bars and serve. Store leftovers in an airtight container at room temperature for up to 5 days.

Notes

  • Be sure to watch the marshmallows closely under the broiler—they can burn very quickly.
  • Press the cereal mixture firmly in the pan to help the bars hold together when cut.
  • Adding flaky salt on top balances the sweetness and enhances flavor.
  • Store in an airtight container to keep the treats fresh and chewy.
  • You can substitute apple cider with light corn syrup for a different sweetness profile.