INGREDIENTS
1
Egg + 1 egg yolk
2 cups
All-purpose flour
1 tsp
Baking soda
1 cup
Brown sugar
2 tsp
Cornstarch
1/2 cup
Dark chocolate chips
1/2 tsp
Salt
3/4 cup
Semi-sweet chocolate chips
1 tbsp
Vanilla extract
1/2 cup
White sugar
1 tsp
Espresso, instant powder
3/4 cup
Butter