Potato Soup
["3 c. diced, peeled potatoes", "1 onion, chopped", "1/2 c. sliced celery", "3 beef bouillon cubes", "1 1/2 c. boiling water", "2 c. milk", "1 Tbsp. butter", "1 tsp. dried parsley", "1 c. grated Cheddar cheese", "1/2 c. grated Mozzarella cheese", "1/2 c. grated Swiss cheese"]
["Cook potatoes, celery and onion in bouillon and water until vegetables are tender.", "Do not drain.", "Partially mash potatoes. Add milk, butter, parsley, cheeses and salt and pepper to taste. Remove from heat when it bubbles around the edges.", "Do not boil."]
["potatoes", "onion", "celery", "boiling water", "milk", "butter", "parsley", "Cheddar cheese", "Mozzarella cheese", "Swiss cheese"]