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The Best Key Lime Pie Bars

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Creamy, refreshing key lime pie bars with a crisp graham cracker crust, silky sweet-tart lime filling, and a fluffy whipped cream topping—an easy, elegant summer dessert.

Ingredients

1¾ cups graham cracker crumbs (about 15 graham crackers)

6 tablespoons salted butter, melted

⅓ cup granulated sugar

6 large egg yolks, room temperature

1 tablespoon key lime zest

2 teaspoons vanilla extract

4 oz cream cheese, room temperature

2 (14 oz) cans sweetened condensed milk

1 cup fresh key lime juice (about 25 key limes)

½ teaspoon kosher salt

4 oz cream cheese, room temperature (for topping)

3 tablespoons powdered sugar

1½ cups heavy cream, cold

Instructions

  1. Preheat oven to 350°F. Line an 8×8-inch metal baking pan with parchment paper, leaving overhang on two sides.
  2. Mix graham cracker crumbs, granulated sugar, and melted butter until combined. Press firmly into the prepared pan.
  3. Bake crust for 10 minutes. Cool completely, then reduce oven temperature to 325°F.
  4. Beat egg yolks, key lime zest, and vanilla for 3 minutes until pale and fluffy.
  5. Add cream cheese and beat 2 minutes until smooth.
  6. Mix in sweetened condensed milk, key lime juice, and salt on low speed until silky.
  7. Pour filling over cooled crust and bake for about 20 minutes, until edges are set and center jiggles slightly.
  8. Cool at room temperature for 30 minutes, then refrigerate at least 4 hours or overnight.
  9. For the topping, beat cream cheese and powdered sugar until smooth.
  10. Slowly add cold heavy cream and beat to medium-stiff peaks.
  11. Spread topping over chilled bars and refrigerate uncovered for 30 minutes.
  12. Lift out, slice cleanly, and serve chilled.

Notes

A slight jiggle in the center is ideal; bars will set as they chill.

Use full-fat cream cheese for best texture.

Bars slice cleanly when fully chilled.

Freeze bars without topping and add whipped cream fresh.

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