Potato Soup

(from Julie)

6 medium potatoes
1 chopped onion
1 ½ cups cheese
½ cube butter
3 Tbsp flour
milk

Cook potato and onion in 4 cups water. Melt butter in a saucepan, add flour, stir until smooth. Add milk and stir until a thick ball. Mix potatoes. Stir in cheese and season to taste with salt, pepper, and paprika.