...
Go Back
Chilled knife slicing key lime bars on a white kitchen counter. Topped with whipped cream and lime zest.

Key Lime Pie Bars

Bright, creamy, and irresistibly tangy, these key lime pie bars feature a buttery graham cracker crust and a smooth lime filling, all topped with whipped cream and zest. Easy to make, perfect for summer gatherings, and designed for that homemade, Florida-inspired flavor in every bite.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 25 minutes
Chill Time 1 hour
Total Time 1 hour 40 minutes
Servings: 9 bars
Course: Dessert
Cuisine: American, southern
Calories: 365
Ingredients Equipment Method Notes

Ingredients
  

  • 9 sheets Graham crackers About 1½ cups crumbs
  • 6 tablespoon Unsalted butter Melted
  • 2 tablespoon Granulated sugar
  • 1 pinch Salt Optional, enhances flavor
  • 2 cans Sweetened condensed milk 14 oz each
  • 4 Egg yolks Large eggs
  • 0.5 cup Fresh key lime juice Or regular limes in a pinch
  • 2 teaspoon Lime zest Preferably from fresh key limes
  • 2 teaspoon Vanilla extract Optional but adds depth
  • 0.5 cup Heavy cream Whipped, for topping
  • Lime slices For garnish

Equipment

  • 1 8x8 inch baking pan Line with parchment paper
  • 1 Mixing bowl Medium to large size
  • 1 Whisk For combining filling ingredients
  • 1 Microplane or zester For lime zest
  • 1 Citrus juicer Or reamer, for fresh lime juice
  • 1 Food processor Or zip-top bag and rolling pin for crust
  • 1 Oven Preheated to 350°F
  • 1 Sharp knife Clean between cuts for smooth edges

Method
 

  1. Preheat oven to 350°F and line an 8x8 pan with parchment paper.
  2. Crush graham crackers into fine crumbs and mix with melted butter, sugar, and salt.
  3. Press mixture into the pan firmly to form a crust.
  4. Bake crust for 10 minutes until lightly golden. Let cool slightly.
  5. Zest and juice the limes, then whisk together condensed milk, egg yolks, zest, and vanilla.
  6. Pour filling over cooled crust and smooth the top.
  7. Bake for 15 minutes, until edges are set and center has slight jiggle.
  8. Cool completely at room temp, then refrigerate at least 4 hours or overnight.
  9. Lift from pan and slice using a clean knife wiped between cuts.
  10. Top each square with whipped cream, lime zest, and a lime slice before serving.

Notes

Nutrition facts are estimated using automated tools and may vary based on ingredients and portion sizes. For the most accurate results, please calculate using your specific ingredients.