01 -
Preheat the oven to 350°F (177°C). Line a 9x9-inch baking pan with parchment paper, extending the edges for easy bar removal.
02 -
Combine graham cracker crumbs, melted butter, sugar, and salt in a mixing bowl. Stir until mixture resembles wet sand. Firmly press the mixture into an even layer at the bottom of the prepared pan, using a flat-bottomed glass for compactness.
03 -
Bake the crust for 10 minutes until lightly golden. Remove from oven and let cool slightly while you prepare the filling.
04 -
In a large bowl, whisk together egg yolks, sweetened condensed milk, key lime juice, and lime zest until fully combined and smooth.
05 -
Pour the key lime filling over the cooled crust, smoothing the surface with a spatula. Bake for 32 to 35 minutes until edges are set but the center still has a gentle jiggle.
06 -
Allow bars to cool at room temperature for 30 minutes. Cover with foil or plastic wrap, avoiding direct contact with the filling, and refrigerate for at least 4 hours or until thoroughly chilled.
07 -
Place the chilled heavy cream in a cold metal bowl. Whip with a hand mixer or stand mixer on medium-high speed until soft peaks form. Add honey and vanilla extract, then continue whipping until smooth, pillowy peaks form. Avoid over-whipping.
08 -
Using a sharp chef’s knife, slice bars into 16 squares, wiping and heating the knife between cuts for clean edges. Top each square with a generous layer of honey whipped cream.
09 -
Garnish each bar with additional lime zest, a sprinkle of flaky sea salt, and a mini graham cracker stick. Serve immediately for best texture.