01 -
Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, allowing excess to hang over sides for easy removal.
02 -
In a medium bowl, combine all-purpose flour and brown sugar. Using a pastry blender or two knives, cut in cold, cubed butter until mixture forms coarse crumbs.
03 -
Firmly press crumb mixture into the pan, forming an even and compact crust.
04 -
Evenly distribute pecan halves over the crust, establishing the foundation for the caramel layer.
05 -
In a small saucepan, melt unsalted butter with brown sugar over medium heat, stirring constantly as the mixture bubbles and deepens in color.
06 -
Continue stirring for exactly one minute once the caramel starts boiling to reach optimal texture.
07 -
Carefully pour hot caramel evenly over the pecans and crust. Use a spatula to spread and ensure full coverage.
08 -
Bake in the preheated oven for 18 to 20 minutes until the topping is golden brown and bubbling.
09 -
After removing from oven, immediately sprinkle milk chocolate chips over the surface. Allow to rest for several minutes until the chips soften.
10 -
Spread melted chocolate evenly with an offset spatula or the back of a spoon. Finish with a light sprinkle of sea salt flakes if desired.