Preheat oven to 350 convection bake setting. (375 without convection)
In a mixer, beat the cooled brown butter with both sugars 2 minutes.
Add egg and yolk and beat until creamy. Add vanilla.
Add all the dry ingredients and mix just to combine.
Add chips.
Weigh dough into 70 gram mounds and form them tall.
Freeze a few hours and bake on parchment lined sheets for approx 10-12 minutes.
Sprinkle on a few sea salt flakes, Lindt chocolate pieces and let cool on sheets.