Maple Sweet Potato Casserole

1 large egg white
1/2 cups evaporated skim milk
3 cups sweet potatoes, mashed -- cooked -- (about 4 med)
1/2 cups dates -- pitted, chopped
2 tablespoons maple syrup

In medium mixing bowl, whip together egg white and evaporated skim milk. Add sweet potatoes, stir till smooth. Add dates to mixture and mix well. Spoon mixture into a 1 1/2 quart casserole. For topping, pour maple syrup over top of mixture in casserole. Bake in a 350 degree oven for 25 to 30 minutes or until hot.