1 c. shortening
2 c. sugar
1 c. warm instant mashed potatoes
4 eggs, separated
2 c. flour
2 tsp. baking powder
1/4 tsp. salt
2 c. fresh or partially thawed blueberries
2 tsp. orange extract
Cool Whip to garnish if desired

Cream shortening and sugar. Add potatoes while warm, add well beaten egg yolks. Mix together flour, baking powder and salt. Add to potato mixture. Dredge blueberries in a small amount of flour and fold them into mixture. Add orange extract, then fold in stiffly beaten egg whites. Bake in greased 9 x 13 inch pan at 400 degrees for 10 minutes, then reduce heat to 350 degrees and bake for 30 minutes. Top with whipped topping when serving, if desired.