INGREDIENTS
1
Egg, large
1/2 cup
Pasteurized eggs
1 tsp
Baking powder
1 tsp
Baking soda
1 1/2 cups
Brown sugar
2 cups
Chocolate chips
4 1/2 cups
Flour
1 tsp
Salt
5/8 cup
Sugar
1 tsp
Vanilla extract
1
Vegetable oil
1/2 cup
Seltzer water or club soda
1 cup
Butter, unsalted