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Coconut Rum Snow Squares Recipe

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4.9 from 94 reviews

Coconut Rum Snow Squares are a delightful no-bake dessert featuring a crunchy graham cracker and coconut crust topped with a creamy, rum-infused coconut filling, finished with a sprinkle of toasted coconut flakes. This treat combines tropical flavors with a smooth texture, perfect for cooling off on warm days or serving at festive gatherings.

Ingredients

For the Crust

  • 1½ cups graham cracker crumbs
  • ½ cup sweetened shredded coconut
  • ¼ cup brown sugar
  • ½ cup unsalted butter, melted

For the Filling

  • 1 can (14 oz) sweetened condensed milk
  • 1 cup full-fat coconut milk
  • ¼ cup white rum (Malibu or dark rum works well too)
  • ⅓ cup cornstarch
  • ¼ teaspoon salt
  • 1½ cups whole milk
  • 1 teaspoon vanilla extract
  • 1 cup sweetened shredded coconut
  • 2 tablespoons butter, softened

For the Topping

  • ½ cup coconut flakes, lightly toasted or fresh

Instructions

  1. Prepare the Crust: In a medium bowl, combine graham cracker crumbs, shredded coconut, and brown sugar. Pour in melted butter and mix until the mixture is evenly moistened. Press firmly into the bottom of an 8×8-inch square pan lined with parchment paper. Chill in the refrigerator while preparing the filling.
  2. Cook the Filling: In a medium saucepan, whisk together cornstarch, salt, and whole milk until fully dissolved. Place over medium heat and add sweetened condensed milk and coconut milk, whisking constantly. Cook for about 5 minutes until thickened and slightly bubbling. Stir in vanilla extract, shredded coconut, and softened butter until smooth and fully thickened. Remove from heat and stir in rum until well combined.
  3. Assemble and Chill: Pour the warm coconut filling evenly over the chilled crust. Spread with a spatula to ensure a smooth top. Let it sit at room temperature for 20 minutes, then cover and refrigerate for at least 4 hours or overnight until fully set.
  4. Garnish and Slice: Just before serving, sprinkle coconut flakes evenly over the top. Use a sharp knife to cut into 16 squares, wiping the blade clean between cuts for neat slices.

Notes

  • For best results, use full-fat coconut milk for a richer filling.
  • To toast coconut flakes, spread them on a baking sheet and toast in a preheated oven at 350°F (175°C) for 5–7 minutes, stirring occasionally until golden.
  • Can substitute white rum with dark rum or Malibu for different flavor profiles.
  • Ensure the filling is fully cooled and set before slicing to maintain clean edges.
  • Store leftovers covered in the refrigerator for up to 4 days.