Lime Pie Rice Krispie Treats


Satisfy your sweet tooth with a delightful twist on a beloved classic—Key Lime Pie Rice Krispie Treats. These irresistible treats combine the familiar crunch of Rice Krispies with the tangy zest of key lime, creating a refreshing and indulgent dessert experience. In this article, we’ll explore the delightful taste and easy steps to create these mouthwatering treats that are perfect for any occasion.

Savoring the Flavorful Fusion: Key Lime Pie Rice Krispie Treats offer a harmonious fusion of textures and flavors. With each bite, you’ll experience the crispness of Rice Krispies cereal, the creaminess of marshmallows, and the bright, citrusy tang of key lime. This delightful combination is sure to tantalize your taste buds and leave you craving more.

Unveiling the Recipe: Let’s dive into the art of making Key Lime Pie Rice Krispie Treats. Here’s what you’ll need to get started:


  • 6 cups Rice Krispies cereal
  • 1 package (10 ounces) marshmallows
  • 1/4 cup unsalted butter
  • Zest of 2 key limes
  • 2 tablespoons key lime juice
  • 1/2 cup sweetened condensed milk
  • Graham cracker crumbs (for garnish)


  1. Prepare the Pan:
    • Grease a 9×13-inch baking dish with butter or non-stick cooking spray. Set aside.
  2. Melt the Butter:
    • In a large saucepan, melt the unsalted butter over low heat.
  3. Add Marshmallows:
    • Once the butter is melted, add the marshmallows to the saucepan. Stir continuously until the marshmallows are completely melted and smooth.
  4. Add Key Lime Zest and Juice:
    • Remove the saucepan from heat and stir in the zest of 2 key limes and 2 tablespoons of key lime juice. Mix until well combined.
  5. Combine with Rice Krispies:
    • Add the Rice Krispies cereal to the saucepan and gently fold until the cereal is evenly coated with the marshmallow mixture.
  6. Press into Pan:
    • Transfer the mixture to the prepared baking dish and press it firmly into an even layer using a greased spatula or your hands.
  7. Drizzle with Sweetened Condensed Milk:
    • Drizzle the top of the Rice Krispie mixture with 1/2 cup of sweetened condensed milk, spreading it evenly with a spatula.
  8. Chill and Garnish:
    • Refrigerate the Key Lime Pie Rice Krispie Treats for at least 30 minutes, or until firm. Once chilled, sprinkle the top with graham cracker crumbs for added flavor and texture.
  9. Slice and Serve:
    • Use a sharp knife to cut the chilled treats into squares or bars. Serve immediately and enjoy the refreshing taste of Key Lime Pie Rice Krispie Treats!

Serving and Storage Tips for Key Lime Pie Rice Krispie Treats:

Serving Tips:

  1. Chilled Refreshment: Serve Key Lime Pie Rice Krispie Treats chilled for the best taste and texture. The coolness enhances the refreshing citrus flavor and ensures a delightful eating experience.
  2. Garnish with Graham Cracker Crumbs: Before serving, sprinkle the top of the treats with graham cracker crumbs for an added touch of flavor and visual appeal. This garnish mimics the crust of a traditional key lime pie and complements the zesty lime flavor.
  3. Slice into Bars or Squares: Use a sharp knife to cut the chilled treats into uniform bars or squares. For cleaner cuts, wipe the knife with a damp cloth between slices.
  4. Serve with Key Lime Wedges: For an extra burst of citrus flavor, garnish each serving with a small wedge of key lime. This adds a decorative touch and allows guests to squeeze fresh lime juice over their treats if desired.
  5. Accompany with Whipped Cream: Serve Key Lime Pie Rice Krispie Treats with a dollop of whipped cream on the side for a creamy and indulgent addition. The lightness of the whipped cream balances the sweetness of the treats and enhances their overall enjoyment.

Storage Tips:

  1. Refrigeration: Store any leftover Key Lime Pie Rice Krispie Treats in an airtight container or wrapped tightly in plastic wrap in the refrigerator. Refrigeration helps maintain their freshness and prevents them from becoming too soft.
  2. Layer with Parchment Paper: When storing multiple layers of treats, place parchment paper between each layer to prevent them from sticking together. This ensures easy removal and preserves their shape.
  3. Enjoy Within a Few Days: Key Lime Pie Rice Krispie Treats are best enjoyed within 2-3 days of preparation. As time passes, the texture may become less crisp, and the flavor may diminish slightly.
  4. Avoid Freezing: While it’s possible to freeze Key Lime Pie Rice Krispie Treats, their texture may become less desirable upon thawing. If freezing is necessary, wrap individual treats tightly in plastic wrap and store them in a freezer-safe container for up to 1 month.
  5. Thawing Before Serving: If frozen, allow the treats to thaw in the refrigerator overnight before serving. Avoid thawing at room temperature, as this may result in a soggy texture.

By following these serving and storage tips, you can ensure that your Key Lime Pie Rice Krispie Treats remain fresh, flavorful, and ready to enjoy whenever cravings strike or guests arrive.

Variations of Key Lime Pie Rice Krispie Treats:

  1. Coconut Lime Rice Krispie Treats:
    • Add shredded coconut to the Rice Krispies mixture for a tropical twist. Sprinkle toasted coconut on top before chilling for added flavor and texture.
  2. White Chocolate Key Lime Rice Krispie Treats:
    • Melt white chocolate chips and stir them into the marshmallow mixture along with the key lime zest and juice. Drizzle additional melted white chocolate over the top before chilling for extra sweetness.
  3. Key Lime Pie Rice Krispie Bars with Graham Cracker Crust:
    • Press a layer of crushed graham crackers mixed with melted butter into the bottom of the baking dish before adding the Rice Krispies mixture. This adds a crunchy graham cracker crust reminiscent of a traditional key lime pie.
  4. Key Lime Pie Rice Krispie Treats with Cream Cheese Swirl:
    • Soften cream cheese and mix it with powdered sugar until smooth. Swirl the cream cheese mixture into the Rice Krispies mixture before chilling for a tangy and creamy addition.
  5. Frozen Key Lime Pie Rice Krispie Squares:
    • Press the Rice Krispies mixture into a parchment-lined baking dish and freeze until firm. Cut into squares and dip each square into melted white chocolate before serving. Enjoy them frozen for a refreshing treat reminiscent of key lime pie ice cream bars.

These variations offer exciting ways to customize Key Lime Pie Rice Krispie Treats and elevate their flavor profile. Whether you prefer a tropical twist, a creamy addition, or a frozen delight, there’s a variation to suit every taste preference and occasion.


  1. Can I use regular limes instead of key limes?
    • Yes, you can substitute regular limes for key limes in this recipe. While key limes have a slightly different flavor profile, regular limes will still provide a delicious citrusy zest to the treats.
  2. Can I use a different type of cereal instead of Rice Krispies?
    • Yes, you can experiment with different types of cereal for unique variations of this recipe. Try using crushed graham crackers, cornflakes, or even Fruity Pebbles for a fun twist on the classic treat.
  3. Can I make these treats without sweetened condensed milk?
    • While sweetened condensed milk adds sweetness and creaminess to the treats, you can omit it if desired. The treats will still be delicious, but they may have a slightly less creamy texture.
  4. Can I make Key Lime Pie Rice Krispie Treats gluten-free?
    • Yes, you can make gluten-free Key Lime Pie Rice Krispie Treats by using gluten-free Rice Krispies cereal and ensuring that all other ingredients are gluten-free as well.
  5. How can I adjust the sweetness of the treats?
    • If you prefer a sweeter flavor, you can increase the amount of sweetened condensed milk or add a tablespoon of honey or maple syrup to the marshmallow mixture. Taste and adjust as needed.
  6. Can I add additional mix-ins to the treats?
    • Absolutely! You can customize the treats by adding mix-ins such as mini chocolate chips, chopped nuts, or dried fruit for added texture and flavor.
  7. How long do these treats need to chill before serving?
    • It’s best to chill the treats in the refrigerator for at least 30 minutes to allow them to set and firm up. However, if you’re in a hurry, you can speed up the process by placing them in the freezer for about 15 minutes.
  8. Can I store these treats at room temperature?
    • While Key Lime Pie Rice Krispie Treats can be stored at room temperature for a short period, they will stay fresher longer if stored in the refrigerator in an airtight container.
  9. Can I make these treats ahead of time?
    • Yes, you can make these treats ahead of time and store them in the refrigerator until ready to serve. They will stay fresh for up to 3-4 days when properly stored.
  10. Can I freeze Key Lime Pie Rice Krispie Treats?
    • Yes, you can freeze these treats for longer storage. Wrap them tightly in plastic wrap or aluminum foil and store them in a freezer-safe container for up to 1 month. Thaw in the refrigerator before serving.


With their irresistible combination of crisp Rice Krispies, creamy marshmallows, and zesty key lime flavor, Key Lime Pie Rice Krispie Treats are a delightful treat for any occasion. By following our simple recipe, you can create a refreshing and indulgent dessert that is sure to impress family and friends. Treat yourself to the citrusy goodness of these treats and elevate your snacking experience to new heights of deliciousness!

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