INGREDIENTS
2
Egg whites, large
1/3 cup
All-purpose flour
1 tsp
Baking soda
1/2 cup
Brown sugar, dark
1/2 cup
Chocolate, semisweet
1/4 cup
Cocoa powder
1/2 tsp
Salt
1
Sea salt, flaky
1/2 cup
Sugar
1 tsp
Vanilla extract
1
Cooking spray
1/2 cup
Butter, unsalted