INGREDIENTS
1
Egg, large
1
Egg yolk, large
2 tbsp
unbleached all-purpose flour plus, unbleached
1/4 tsp
Baking powder
1/2 tsp
Baking soda
2 cups
Brown sugar, packed dark
1/4 cup
Sanding sugar or granulated sugar
1
Sea salt, flaky
1/2 tsp
Table salt
1 tbsp
Vanilla extract
14 tbsp
Butter