INGREDIENTS
2
Egg yolks
2
Eggs, whole
4 1/2 cups
All-purpose flour
1 tsp
Baking soda
2 cups
Brown sugar, packed dark
1 tbsp
Cornstarch
1
bag Milk chocolate chips
1 tsp
Salt
3/4 cup
Shortening
1 cup
Sugar
1 1/2 tbsp
Vanilla, pure
1
bag White chocolate chips
3/4 cup
Butter, unsalted