Suggestions?

Cora's Donut Recipe - Recipe Cost

Ingredients	Per Serving Qty	Common Price	Price per Serving
1 1/2 c. sugar	2 tablespoons	$1.44 per pound	$0.08
1/4 c. butter or possibly shortening	1 teaspoon	$3.99 per 16 ounces	$0.04
1 1/2 c. mashed potatoes	2 tablespoons	$0.50 per pound	$0.02
1 c. buttermilk	1 tablespoon	$3.09 per quart	$0.06
3 large eggs	1/4 eggs	$2.53 per 12 items	$0.05
5 c. sifted flour	1/3 cup	$2.99 per 5 pounds	$0.07
2 teaspoon soda	1/6 teaspoon	n/a
4 teaspoon baking pwdr	1/3 teaspoon	$2.59 per 10 ounces	$0.01
1 teaspoon salt	0.08 teaspoon	$2.91 per 16 ounces	$0.00
1 teaspoon vanilla	0.08 teaspoon	$8.00 per 8 fluid ounces	$0.01
Total per Serving			$0.36
Total Recipe			$4.30