Ingredients
1 stick unsalted butter, cold & cubed
1 stick margarine, cold & cubed
1/2 cup granulated sugar
1 cup light brown sugar
1/2 cup dark brown sugar
2 eggs
3 cups all-purpose flour
1 teaspoon table or fine sea salt
1 teaspoon baking powder
1/4 teaspoon baking soda
1 cup semisweet chocolate, chopped or chips
1 cup milk chocolate, chopped or chips
Preparation
