INGREDIENTS
2
Egg, large
1
Egg yolk
1 tsp
Baking soda
1 cup
Brown sugar, firmly packed
4 oz
Chocolate, semisweet
1 1/2 cups
Chocolate chips
3 tbsp
Cocoa powder
1 tsp
Corn starch
3 cups
Flour
1 1/4 cups
Granulated sugar
1 tsp
Salt
3 1/2 tsp
Vanilla
1 cup
Butter, unsalted