Potato-Molasses Drops

2 c. flour
1/2 tsp. baking soda
2 tsp. baking powder
1/2 tsp. ginger
1/2 tsp. cinnamon
1/2 tsp. salt
1/2 c. dark molasses
1/2 c. butter
1/2 c. brown sugar
1 1/2 c. cold mashed potatoes

Sift together first 6 ingredients into mixing bowl; set aside. Combine molasses and butter in top of double broiler. Place over hot water. Beat until heated and butter is melted. Beat in potatoes until smooth. Add to dry ingredients; blend well. Drop from teaspoon onto cookie sheet. Bake in a preheated 375° oven for 10 minutes.