In med. mixing bowl, whip together egg white and evaporated skim milk. Add yams; stir till smooth. Add dates to mixture and mix well. Spoon mixture into a 1 1/2 qt caserole.

For topping, pour maple syrup over top of mixture in casserole. Bake in a 350 deg. F. oven for 25 to 30 min. or until hot.