Toll House Cookies

2 ½ cups sifted flour
1 teaspoon baking powder
1 teaspoon salt
1 cup shortening
¾ cup white sugar
¾ cup brown sugar
2 eggs
2 teaspoons vanilla
6 ounce package of semi-sweet chocolate chips

Preheat oven to 375 degrees.  Sift together 2 ½ cups sifted flour, 1 teaspoon baking powder, 1 teaspoon salt.  Set aside.  Combine 1 cup shortening, ¾ cup white sugar, ¾ cup brown sugar.  Add 2 eggs and 2 teaspoons vanilla.  Beat till creamy.  Add dry ingredients.  Stir in 6 ounce package of semi-sweet chocolate chips.  Put on greased cookie sheet.  Bake at 375 degrees for 10-12 minutes.