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An overhead view of a large sheet pan key lime pie in a metal pan. The dessert is covered with evenly spaced dollops of whipped cream and scattered green lime zest.
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Sheet Pan Key Lime Pie

This Sheet Pan Key Lime Pie features a buttery graham cracker crust and a creamy lime filling. The dessert provides a bright and refreshing flavor.
Prep Time15 minutes
Cook Time30 minutes
Cooling and Chilling Time5 hours
Total Time5 hours 45 minutes
Course: Dessert
Cuisine: American
Keyword: key lime, pie, summer
Servings: 10 people
Author: Jenna Harrison

Ingredients

Crust

  • 3 cups graham crackers crushed
  • ½ cup granulated sugar
  • ½ cup salted butter melted
  • 1 key lime zested

Filling

  • 28 oz sweetened condensed milk
  • 5 large egg yolks
  • 1 cup fresh key lime juice
  • 2 Tablespoons key lime zest
  • 1 teaspoon vanilla extract

Toppings

  • Cool Whip optional
  • Lime wedges optional
  • Lime zest optional
US Customary - Metric

Instructions

  • Preheat the oven to 350°F.
  • Spray a jelly roll pan with nonstick spray.
  • Combine the crushed graham crackers, sugar, melted butter, and lime zest in a large bowl.
  • Pour the graham cracker mixture into the prepared pan.
  • Press the mixture down until it forms an even layer.
  • Bake the crust for 8 to 10 minutes.
  • Whisk the condensed milk, egg yolks, lime juice, lime zest, and vanilla extract together until smooth to make the filling.
  • Pour the filling over the baked crust.
  • Bake the pie for 15 to 20 minutes.
  • Allow the pie to cool to room temperature for about 1 hour.
  • Chill the dessert in the refrigerator for at least 4 hours.
  • Slice the pie into portions.
  • Top each slice with a dollop of Cool Whip, lime zest, and a lime wedge.
  • Serve the pie chilled.

Notes

Storage

Store leftovers covered in the refrigerator for up to 4 days.

Freezing

Freeze individual slices or the entire pie without the topping for up to 2 months. Wrap tightly in plastic wrap, then foil, or place in an airtight container.

Thawing

Transfer the pie to the refrigerator overnight before serving.

Reheating

This dessert is served chilled and does not need reheating.

Make Ahead

This recipe is an excellent make-ahead dessert. Prepare it one day in advance and add the topping just before serving.

Nutrition

Serving: 1piece | Calories: 526kcal | Carbohydrates: 77g | Protein: 10g | Fat: 21g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 0.4g | Cholesterol: 143mg | Sodium: 357mg | Potassium: 391mg | Fiber: 1g | Sugar: 60g | Vitamin A: 634IU | Vitamin C: 12mg | Calcium: 267mg | Iron: 2mg