Preheat oven to 350 degrees.
1 large can of sweet potatoes, drained (if using fresh sweet potatoes, about 4 or 5 boiled until tender)
1/2 stick margarine or butter, softened
2 eggs, beaten
1/2 cup evaporated milk
Mix these ingredients together in a medium size baking dish.
1 cup brown sugar
1/2 cup margarine or butter, melted
1/3 cup flour
1 cup pecans, chopped
Mix together and sprinkle on top of potatoes.
Bake for 35 to 40 minutes.