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Key Lime Pie Rice Krispie Treats Recipe

Our Key Lime Rice Krispie Treats are a fun twist on the classic cereal bars. With real key lime juice, graham cracker crust, and sweetened condensed milk, they are creamy with that slight crispiness that we love.
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Course: Dessert
Prep Time: 5 minutes
Cook Time: 5 minutes
Total Time: 10 minutes
Servings: 16

Ingredients

  • 6 Tbsp Unsalted Butter
  • 16 Oz Mini Marshmallows Divided
  • 6 Tbsp Sweetened Condensed Milk
  • 2 Tbsp Key Lime Juice
  • 1 Tbsp Lime Zest
  • 8 Cups Rice Krispie Cereal
  • 1 Cup Graham Cracker Crumble
  • Pinch of Salt

Instructions

  • Follow the instructions to make the graham cracker crumble and set it aside.
  • Prepare a 9×13-inch pan by spraying it with butter-flavored cooking spray. Set aside.
  • In a large pot over low heat, melt the butter. Stir in the sweetened condensed milk and salt until smooth.
  • Add 14 ounces of the mini marshmallows and stir until mostly melted and creamy.
  • Remove the pot from the heat and stir in the key lime juice and zest until fully combined.
  • Fold in the Rice Krispies cereal and graham cracker crumble pieces until evenly coated.
  • Let the mixture cool for about 1 minute, then fold in the remaining 2 ounces of mini marshmallows for gooey marshmallow pockets throughout the treats.
  • Transfer the mixture to the prepared pan and gently press into an even layer. Do not pack the treats down firmly.
  • Let cool completely before slicing into squares.

Notes

  • Store leftovers in an airtight container at room temperature for up to 5 days.
  • Make sure you spray the utensils with cooking spray; this recipe is sticky.
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