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Creamy No-Bake Key Lime Pie Bars

no-bake key lime pie bars - featured image

These creamy no-bake key lime pie bars feature a buttery graham cracker crust and a silky, tangy key lime filling, perfect for a refreshing summer dessert without any oven time.

Ingredients

Scale
  • 1 1/2 cups graham cracker crumbs (about 1012 full sheets, finely crushed)
  • 1/3 cup unsalted butter, melted
  • 1/4 cup granulated sugar
  • 1 can (14 oz / 396 g) sweetened condensed milk
  • 1/2 cup sour cream
  • 3/4 cup fresh key lime juice (about 1012 key limes or regular limes)
  • Zest of 2 key limes (or regular limes)
  • Optional: whipped cream or coconut whipped cream for topping
  • Optional: thin lime slices or zest curls for garnish

Instructions

  1. Crush the graham crackers into fine crumbs using a food processor or rolling pin in a sealed plastic bag.
  2. Combine the graham cracker crumbs with melted butter and granulated sugar in a large bowl. Mix until evenly coated and the mixture feels like damp sand.
  3. Press the crumb mixture firmly and evenly into the bottom of an 8×8 inch pan. Chill in the refrigerator while preparing the filling.
  4. In a separate bowl, whisk together sweetened condensed milk, sour cream, fresh key lime juice, and lime zest until smooth and slightly thickened, about 2-3 minutes.
  5. Pour the filling over the chilled crust and smooth out evenly with a spatula.
  6. Cover the pan with plastic wrap or foil and refrigerate for at least 4 hours, preferably overnight, to let the filling set.
  7. Once chilled, lift the bars out using parchment paper if lined, slice into squares, and garnish with whipped cream and lime slices if desired.

Notes

For a gluten-free crust, substitute graham cracker crumbs with almond flour or gluten-free cookie crumbs. For a dairy-free version, use coconut oil instead of butter and coconut yogurt or cashew cream instead of sour cream. Press the crust firmly to avoid crumbly bars. Chill bars overnight for best texture. Use fresh lime juice for optimal flavor. Warm and clean your knife between slices for clean cuts.

Nutrition

Keywords: key lime pie bars, no-bake dessert, summer dessert, graham cracker crust, creamy lime bars, easy dessert, no oven dessert