Sweet Potato Pie (Melodie)

3 cups mashed yams

1 cup sugar

1/2 cup butter

1 tsp. vanilla

1/3 cup sweetened condensed milk

1/2 cup brown sugar

¼ cup flour

2 1/2 tsp. melted butter

1/2 cup chopped pecans

Mix  yams, sugar, butter, vanilla and canned milk.  Put in pie pan.   Mix brown sugar, flour, melted butter and pecans and spread over the yams.  Bake at 350°for 25 - 30 min.