Potatoes, peeled & diced (approximately 1 c. per person)
Onions (optional)
Milk (1 c. per c. of potatoes)
2 tbsp. butter
Cheese (cheddar, Longhorn, any nonstring type)

Place potatoes and onions, if desired into large pot or soup cooker. Add enough water to cover. Add salt and pepper to taste. Cook until tender. Turn heat to low. Add butter and milk. Heat through but do not scald. Add cheese as much as desired. Let melt. Serve and enjoy.