Potato-Cheese Soup - cooking recipe

Ingredients

2 Tbsp. margarine
1/2 c. chopped onion
1/2 c. chopped celery
1 tsp. salt
1 Tbsp. flour
dash of pepper
1 c. water
2 c. mashed potatoes
2 1/2 c. milk
1/2 to 3/4 c. grated cheese

Preparation

Saute onion and celery.
Add flour, salt and pepper and stir. Mix in 1 cup of water, stirring constantly for 2 minutes (boil is okay), then add potatoes, milk and cheese.
Heat slowly until cheese melts; do not boil.
Garnish with parsley or croutons. Great way to use leftover mashed potatoes.