INGREDIENTS
1/2 cup
packed brown sugar
1/2 cup
white sugar
1/4 cup
margarine or butter
1/4 cup
shortening
1/2 cup
plain nonfat yogurt
2 tsp
vanilla extract
1 3/4 cups
all-purpose flour
1/2 tsp
baking soda
1/2 tsp
salt
2 cups
semisweet chocolate chips