INGREDIENTS
1
Egg + 1 egg yolk, large
2 1/2 cups
All-purpose flour
1 tsp
Baking soda
1 1/2 cups
Brown sugar, packed
1 10 ounce package
Chocolate chips, semisweet
1/2 cup
Cocoa powder, unsweetened
3/4 tsp
Kosher salt
1 tbsp
Vanilla extract
1 cup
Butter