01 -
Preheat oven to 350°F with a rack in the center. Line an 8×8 metal baking pan with foil or parchment paper and lightly grease it. Beat butter, brown sugar, salt, and flour with a hand or stand mixer until crumbly but combined. Press mixture evenly into the pan using the bottom of a measuring cup. Bake for 15 minutes.
02 -
In a medium saucepan over medium heat, combine butter, brown sugar, honey, heavy cream, and salt. Stir occasionally until simmering with bubbles throughout. Maintain simmer for two minutes, then remove from heat and stir in vanilla extract and shredded coconut.
03 -
Pour the filling evenly over the warm crust and smooth the surface. Return pan to oven and bake for 12 minutes. Remove and place on a wire rack to cool completely.
04 -
Slowly melt chocolate chips using a double boiler or microwave to prevent seizing. Transfer melted chocolate to a piping or zip-top bag, snip a small corner, then drizzle chocolate in a zigzag pattern over bars. Optionally sprinkle with flaky salt. Allow chocolate to set for a couple of hours before serving.