Mom's Yummy Yams

3 cups mashed yams (canned-drain juice)
1 cup brown sugar
1/2 tsp. salt
1/2 cup milk
2 eggs lightly whipped
1 tsp. vanilla
1/3 stick melted butter

Topping:
1/3 stick margarine
1/3 cup flour
3/4-1 cup brown sugar
1/2-3/4 cup chopped nuts of choice

Whip first 7 ingredients together and place in baking dish.  Mix topping and place on top of yams.  Bake on 350 degrees for 35-40 minutes.