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Nine frosted dessert bars are arranged on parchment paper, garnished with lime zest. A cut lime and additional bars on a plate are visible in the background.
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Key Lime Pie Bars

Key Lime Bars are so easy and bright, you’ll want to make them long before summer hits.
Prep Time20 minutes
Cook Time35 minutes
Cooling Time2 hours
Total Time2 hours 55 minutes
Course: Dessert
Cuisine: American
Servings: 16 Bars
Calories: 225kcal
Author: Laura

Ingredients

Crust

  • 2 cups vanilla wafer cookies finely ground
  • 5 tbsp unsalted butter melted
  • 2 tbsp brown sugar

Filling

  • 8 oz cream cheese softened
  • 1 14 oz can sweetened condensed milk
  • 1 tbsp lime zest
  • 4 egg yolks
  • ½ cup lime juice

Topping

  • 1 cup heavy cream
  • ¼ cup powdered sugar
  • Extra lime zest

Instructions

  • Preheat oven to 325°F (163°C)
  • Line an 8x8 baking dish with parchment paper
  • Mix ground cookies, melted butter, and brown sugar in a bowl
  • Press mixture evenly into the bottom of the dish
    A square baking pan lined with parchment paper containing a pile of crushed graham crackers.
  • Bake crust for 8–10 minutes then let cool
    A square, golden-brown baked crust sits in a parchment-lined metal baking pan on a white background.
  • In a new bowl, beat cream cheese, sweetened condensed milk, lime zest, egg yolks, and lime juice until smooth
    A glass bowl containing a yellow batter topped with green zest and a small amount of liquid, placed on a white surface.
  • Pour filling over crust and smooth the top
    A square baking pan lined with parchment paper contains a baked crust with a layer of yellow batter spread on top, ready to be further baked.
  • Bake 20–25 minutes until edges are set and center is slightly jiggly
    A square cheesecake in a parchment-lined baking pan, viewed from above, with a smooth, pale yellow top.
  • Cool to room temperature then chill in fridge for at least 2 hours
  • In a bowl, whip heavy cream and powdered sugar to soft peaks
    A glass bowl containing whipped cream cheese on a white surface.
  • Spread whipped cream over cooled bars
    A square baking pan lined with parchment paper holds a baked yellow cake topped with a dollop of whipped cream, viewed from above on a white background.
  • Garnish with extra lime zest
    A rectangular baking pan lined with parchment paper holds a dessert topped with a layer of white whipped cream and sprinkled green zest.
  • Slice into 16 bars and serve chilled
    Twelve key lime pie bars with a crumb crust and whipped topping are arranged on parchment paper, with lime zest sprinkled on top and fresh lime wedges nearby.

Video

Nutrition

Serving: 1 Serving | Calories: 225kcal | Carbohydrates: 15g | Protein: 3g | Fat: 17g | Saturated Fat: 10g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 0.2g | Cholesterol: 89mg | Sodium: 107mg | Potassium: 62mg | Fiber: 0.2g | Sugar: 9g | Vitamin A: 587IU | Vitamin C: 2mg | Calcium: 33mg | Iron: 0.2mg