INGREDIENTS
12 tbsp
unsalted butter, cut into tablespoon sized slices
1 3/4 cups
dark brown sugar
1/2 tsp
salt
1
egg
1
egg yolk
1 tbsp
vanilla extract
2 1/2 cups
all-purpose flour
1/2 tsp
baking soda
1/4 tsp
baking powder
1/4 cup
dark brown sugar
2 tbsp
white granulated sugar
Fleur de sel, Maldon, sea salt, or Kosher salt for sprinkling*