Rub a Dub Grub

2/3 c butter
2/3 c flour
7 cups milk
4 large potatoes, baked, peeled and cubed
4 green onions, sliced
12 bacon strips, cooked and crumbled
1 1/4 cups shredded cheddar cheese
1 cup sour cream (8 oz)
3/4 t. salt
1/2 t. pepper

In large stockpot, melt the butter. Stir in flour; heat and stir until smooth. Gradually add milk, stirring constantly until thickened. Add potatoes and onions. Bring to a boil, sitrring constantly. Reduce heat; simmer for 10 minutes. Add remaining ingredients; sitr until cheese is melted. Serve immediately.