Sweet Potato Crunch ( receta de nuestra vecina Jennifer)

Sweet potato mashed ( 4 o 5 )

1 egg

1/3 c milk

½ cup sugar

½ cup butter melted

Vainilla

Cinnamon al gusto

Topping

½ cup  butter melted

1 cup sugar

1 cup chopped pecan

½ cup flour

Bake 30- 40 min