Banana Chocolate Chip Cookies

2/3 c. shortening
1 c. sugar
2 eggs
1 c. or more mashed bananas
1/2 t. vanilla
1/2 t. baking soda
1/2 t. salt
1/2 t. baking powder
2 1/2 c. flour
chocolate chips

bake 350 for 10 min.