Country Sweet Potato Pie

Ingredients:
Pillsburry Refrigerated Pie Crust (1 crust for bottom of pie)
1 1/2 cups sugar
3 eggs
1 1/2 cup mashed sweet potato
1 teaspoon vanilla flavoring
1 stick butter
1 small can evaporated milk (2/3 cup)
Directions:
Cream eggs and sugar. Add sweet potato, vanilla flavoring and melted butter. Last, add milk. Mix well. Put in unbaked 9″ pie shell. Bake for 1 hour at 350 degrees Fahrenheit.