Pumpkin Squares
["2 c. sugar", "2 c. flour", "2 tsp. baking powder", "1 tsp. baking soda", "1/2 tsp. salt", "2 tsp. cinnamon", "3/4 c. corn oil *", "1 (16 oz.) can plain pumpkin", "4 eggs"]
["*Corn oil is very important; do not substitute!"]
["sugar", "flour", "baking powder", "baking soda", "salt", "cinnamon", "corn oil", "pumpkin", "eggs"]