1/4 cup butter, softened
1/2 cup sugar
1 cup flour
1 1/2 tsp. baking powder
1/2 tsp. cinnamon
1/4 tsp. ginger
1/4 tsp. salt
1/2 cup cold mashed sweet potatoes
2 Tbsp. milk
1/4 cup raisins
Preheat oven to 350 degrees.
In a small mixing bowl, cream butter and sugar. Add egg; mix well.
In separate bowl, combine the flour, baking powder, cinnamon, ginger, and salt. Add to creamed mixture just until blended. (Batter will be thick.)
Combine sweet potatoes and milk. Stir into batter until blended. Fold in raisins.
Spoon into 2 greased 5 3/4 in. x 3 in. x 2 in. loaf pans. Bake for 35-40 minutes.
Cool for 10 minutes before removing from pans to wire racks.