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key lime pie lasagna

No-Bake Key Lime Pie Lasagna

The Crispy Chef
This no-bake Key Lime Pie Lasagna is the perfect summer dessert, combining tangy key lime flavors in creamy layers. It’s simple to make, no oven required, and will quickly become your go-to treat for pool parties, BBQs, and family gatherings.
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Prep Time 20 minutes
Total Time 4 hours
Course Dessert
Cuisine American
Servings 12
Calories 350 kcal

Equipment

  • 9x13 inch dish
  • Mixing bowls
  • Whisk
  • Offset spatula
  • Measuring cups and spoons
  • Electric mixer

Ingredients
  

  • For the Crust:
  • 2 cups graham cracker crumbs
  • 1/2 cup unsalted butter melted
  • 3 tbsp granulated sugar
  • For the Cream Cheese Layer:
  • 8 oz cream cheese softened
  • 1 cup powdered sugar
  • 1 cup heavy whipping cream
  • 1 tsp vanilla extract
  • For the Key Lime Layer:
  • 2 packages 3.4 oz each instant vanilla pudding
  • 3 cups cold milk
  • 1/2 cup key lime juice
  • 2 tbsp lime zest
  • 1/4 cup sour cream
  • Green food coloring optional
  • For the Topping:
  • 2 cups whipped topping like Cool Whip
  • 1/4 cup graham cracker crumbs
  • Lime slices and additional zest for garnish

Instructions
 

  • Prepare the Crust:
  • Mix graham cracker crumbs, melted butter, and sugar in a bowl until it resembles wet sand.
  • Press into a 9x13 inch dish and refrigerate while preparing the next layer.
  • Make the Cream Cheese Layer:
  • Beat cream cheese and powdered sugar until smooth and fluffy.
  • In a separate bowl, whip heavy cream until stiff peaks form.
  • Gently fold whipped cream into the cream cheese mixture.
  • Spread over the chilled crust and refrigerate for about 20 minutes.
  • Create the Key Lime Layer:
  • Whisk together pudding mixes and cold milk for 2 minutes until it starts to thicken.
  • Add key lime juice, lime zest, and sour cream, and mix until smooth.
  • If using, add food coloring and pour over the cream cheese layer.
  • Refrigerate for at least 1 hour to set.
  • Add the Topping:
  • Spread whipped topping over the set key lime layer.
  • Sprinkle with reserved graham cracker crumbs and garnish with lime slices and zest.
  • Chill and Serve:
  • Refrigerate the finished lasagna for at least 4 hours, but overnight is best.
  • Cut into squares and serve cold.

Notes

For a tropical twist, add toasted coconut to the crust or top it with sliced strawberries, mango, or chocolate for variation.
If you don't have sour cream, Greek yogurt can work as a substitute.

Nutrition

Calories: 350kcalCarbohydrates: 40gProtein: 4gFat: 20g
Keyword Key Lime, Key Lime Pie Lasagna
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