Amy's Yam Casserole

6 cooked and mashed yams (3 cups)

6 tablespoons melted butter

1 cup evaporated milk

1 cup sugar

2 eggs

1/2 teaspoon nutmeg

1/2 teaspoon cinnamon

1 teaspoon vanilla

Topping: 

1/2 cup brown sugar

1 cup crushed corn flakes

1/2 cup chopped pecans

6 tablespoons melted butter

Mix the yams, butter, sugar, eggs, and spices and put into a buttered 9 x 13 casserole dish.  Bake for 15 minutes at 425 degrees.  While that is baking, mix together the topping ingredients, and add to casserole and bake for 15 more minutes.