Approx. 6 med. - lg. sweet potatoes
1 c. white sugar
1 c. brown sugar
1 c. orange juice
1 stick butter
Mace to taste
Nutmeg to taste

Heat to dissolve. Pour over cooked, sliced yams. Cover and let stand overnight in refrigerator. Bake at 300 to 325 degrees for 2 hours. Baste or turn during cooking.