Cookie Brownies

Ingredients
2/3 cups margarine, melted
2 cups brown sugar, firmly packed
2 eggs
2 cups flour
1 teaspoon baking powder
2 teaspoons vanilla
1/4 teaspoon baking soda
1 teaspoon salt
1 package chocolate chips

Notes / Directions
Add brown sugar to melted shortening. Sift dry ingredients and add eggs and vanilla (mixture will be sticky). Pat down in 9x13-inch pan. Bake at 350 for 20-25 minutes until golden brown.