Bake potatoes. Cool. Scoop out pulp and set aside. Discard skins.
Melt butter over low heat and add flour. Add milk, until thick. Add potato pulp, salt, pepper, 2 tablespoons of green onion, 1/2 cup of crumbled bacon and cup cheese. Cook until thoroughly heated; stir in sour cream and heat through.
Serve with remaining green onions, bacon and 1/4 cup cheese as garnish.