Closeup on a stack of two Coffee Rice Krispie Treats sitting on a white table in front of coffee beans.

Coffee Rice Krispie Treats

Yield 12-15 squares
Prep Time 5 minutes
Cook Time 5 minutes
Additional Time 5 minutes
Total Time 15 minutes

Don’t miss our Coffee Rice Krispie Treats. Made with a hint of coffee flavor and topped with creamy coffee-flavored icing, this recipe is a must-try for all coffee lovers! 

Ingredients

Coffee Rice Krispie Treats

  • 8 tablespoons Butter (Sweet Cream Salted)
  • 8 cups Mini Marshmallows
  • 8 cups Rice Krispies Cereal
  • 2 tablespoons Dark Roast Instant Coffee
  • 1 teaspoon Water

Coffee Icing

  • 2 tablespoons Dark Roast Instant Coffee
  • 2 tablespoons Milk
  • 1/2 cup Powdered Sugar
  • 1 tablespoon Butter (melted)

Instructions

Coffee Rice Krispie Treats

  1. In a small bowl, dissolve 2 tablespoons of Instant Coffee in 1 teaspoon water. Stir until the coffee crystals have dissolved. Set bowl aside.
  2. Melt the butter in a large saucepan on medium-low heat.
  3. Add the Mini Marshmallows to the melted butter and stir the marshmallows so they are completely covered in the melted butter.
  4. On medium-low heat, stir the marshmallows continually until they are completely melted.
  5. When the marshmallows are melted, take the pan off the heat.
  6. Add the Instant Coffee mixture to the marshmallow mixture and stir until combined.
  7. Add the Rice Krispie Cereal to the coffee marshmallow mixture and gently fold the Rice Krispie Cereal into the marshmallow mixture.
  8. Spoon the mixture into a 9x13" pan.  (We line the pan with a piece of parchment paper to make it easier to remove the treats from the pan when they are cooled.)
  9. Lightly press the mixture into the pan. 
  10. Let the Rice Krispie Treats cool in the pan.
  11. Place the Coffee Icing in a plastic bag (see directions below.) Cut a small top of the corner of the plastic bag off and use the plastic bag as a makeshift decorating bag to drizzle the icing on the Rice Krispie Treats.
  12. Allow the Coffee Icing to cool and harden.
  13. Remove the treats from the pan and then cut them into squares.

Coffee Icing

  1. In a small bowl, dissolve 2 tablespoons of Instant Coffee in 2 tablespoons of milk. Stir until the coffee crystals have dissolved. Set bowl aside.
  2. In another bowl, add the Powdered Sugar and the melted butter. Whisk together until combined. The mixture will be dry.
  3. One teaspoon at a time, add the Instant Coffee liquid to the bowl and mix. Keep adding Instant Coffee liquid until the icing is the correct consistency to drizzle over the pan of treats.

Notes

Storing/Freezing Instructions
Rice Krispie Treats will last 2-3 days at room temperature in an air-tight container before they start to get stale.  You can extend that timeline a few days if you store them in the refrigerator and then take them out about 30 minutes before you eat them.  They freeze up great though and that is what we do if we want to make these ahead of time for a party or a family gathering.  They defrost very quickly and taste great once they are defrosted.  You can keep them in the freezer for up to a couple of months.

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