Grandma Black's pumpkin cookies

1/2 c. shortening
1 1/2 c. sugar
2 eggs
1 c. pumpkin
1 t. baking powder
1 t. cinnamon
1/2 t. cloves
1/2 t. baking soda
1/4 t. salt
2 c. flour
chocolate chips

bake 400 for 12 minutes.  Best eaten frozen.