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Creamy Key Lime Pie Bars Recipe Easy Homemade with Coconut Topping

creamy key lime pie bars - featured image

These creamy key lime pie bars feature a tangy, smooth lime filling on a crumbly graham cracker crust, topped with light and fluffy whipped coconut cream for a tropical twist. Perfect for a quick, refreshing dessert that impresses every time.

Ingredients

Scale
  • 1 ½ cups graham cracker crumbs (about 10 sheets, finely crushed)
  • ⅓ cup granulated sugar
  • 6 tablespoons unsalted butter, melted
  • Pinch of salt
  • 4 large egg yolks, room temperature
  • 1 can (14 oz / 400g) sweetened condensed milk
  • ½ cup freshly squeezed key lime juice (about 1012 key limes)
  • Zest of 2 key limes
  • 1 can (13.5 oz / 400ml) full-fat coconut milk, refrigerated overnight (only the solid cream portion)
  • 23 tablespoons powdered sugar
  • ½ teaspoon vanilla extract (optional)

Instructions

  1. Preheat oven to 350°F (175°C). In a medium bowl, combine graham cracker crumbs, sugar, melted butter, and a pinch of salt. Mix until crumbs are evenly coated and look like wet sand. Press firmly into the bottom of a lined 8×8-inch pan.
  2. Bake crust for 8–10 minutes until lightly golden. Remove and let cool slightly.
  3. In a bowl, whisk egg yolks until pale and slightly thickened, about 2 minutes. Gradually whisk in sweetened condensed milk, then add key lime juice and zest. Mix until smooth and glossy.
  4. Pour filling over warm crust, spreading evenly. Bake at 350°F (175°C) for 12–15 minutes until edges are set but center jiggles slightly.
  5. Remove from oven and cool to room temperature. Cover and refrigerate at least 3 hours or overnight.
  6. Scoop solid coconut cream from chilled can into a bowl. Whip with powdered sugar and vanilla extract until fluffy peaks form, about 3–5 minutes.
  7. Spread or pipe whipped coconut topping over chilled bars before serving. Optionally, sprinkle lime zest or toasted coconut flakes on top. Cut into squares with a sharp knife, wiping clean between cuts.

Notes

Use chilled coconut milk refrigerated overnight for best whipped topping texture. Press crust firmly to avoid crumbling. Bake crust before filling to prevent sogginess. Cool bars gradually and chill overnight to minimize filling cracks. Cut bars with a sharp knife dipped in hot water for clean edges. For gluten-free crust, substitute graham crackers with almond flour or gluten-free cookie crumbs. For vegan/dairy-free, use coconut condensed milk alternative and vegan crust.

Nutrition

Keywords: key lime pie bars, creamy key lime bars, coconut topping, easy dessert, summer dessert, homemade key lime bars, gluten-free option, dairy-free dessert