Gold Strike Baked potato soup

Description:this is a thick, creamy, rich and hearty soup, and is very simular to Stuart Andersons Black Angus Restraunt's recipe. I won first place in a Chuckwagon cook off with this recipe it is very delishious

Ingredients:
4 large Baking potatoes
2/3 cup Butter or margarine
2/3 cup Flour
6 cups Milk (evaporated milk in a can, one can of water per one can of milk, about 3 cans all together)
salt and pepper to taste
1/2 a bushel of green onions , chopped
12 slices Bacon, fried, crumbled
5oz. velveta cheese
1 cup Sour cream

Directions:bake potatoes at 400° for 1 hour or until done.Let cool.
Fry up bacon till crispy, then crumble, while potatos are bakeing.
Cut potatoes in half lengthwise, skin one half of each potato an discard skins.then chop into bite sized pieces.Melt butter in a heavy saucepan over low heat; add flour, stirring until smooth. Cook for one minute, stirring constantly. Gradually add milk; cook over medium heat, stirring constantly, until mixture is thickened and bubbly.Add chopped potato's , salt, pepper, green onions, bacon, and cheese. Cook until thoroughly heated. stir in sour cream, Add extra milk, if too thick. Serve topped with green onions, bacon, and cheese.