Key Lime Bars

A classic key lime bar with a buttery graham cracker crust and an easy filling made with condensed milk! Only 6 ingredients to make these easy key lime bars."

- Boston Girl Bakes

key ingredient

sweetened condensed milk


Crust – 1 package of graham crackers 9 sheets – 6 tablespoons (85 g) unsalted butter melted – 1/4 cup (50g ) granulated sugar Filling – 4 large egg yolks – 14- ounce can of sweetened condensed milk – 1/2 cup (120 mL) lime juice (or use key lime juice) – 2 teaspoons lime zest (about 1-2 limes)

Key Lime Bars


12 Bars



total time

45 Minutes

prep time

20 Minutes

1. Preheat your oven to 350°F. Line a 9×9 baking pan with aluminum foil and spray with a cooking spray.


2. In a food processor, place your graham cracker sheets and pulse until finely ground. Empty the graham cracker crumbs into a mixing bowl, add in your melted butter and sugar. Stir to combine. Press the graham cracker crumb mixture into the 9×9 pan and press down into an even layer. Bake in the preheated oven for 10 minutes.


3. In a second mixing bowl, combine the filling ingredients. Whisk to combine. Pour over the graham cracker crust and bake for an additional 15 minutes until set. Allow the bars to cool on a cooling rack before slicing. Bars can be refrigerated for up to 2 days, the crust may soften slightly however.



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