3/4 c. whole wheat flour
3/4 c. white flour
1/2 c. sugar
1 1/2 tsp. ginger
1/4 tsp. cinnamon
1 tsp. baking powder
1 tsp. grated orange peel
1 tsp. baking soda
2 lg. eggs
1 (16 oz.) can sweet potatoes or yams, drained & mashed
1/4 c. vegetable oil
1/2 c. raisins, optional