Cheese Soup - cooking recipe

Ingredients

2 medium sized carrots
2 stalks celery
1 c. boiled water
1/2 small onion
3 Tbsp. butter
1/4 c. flour
3 1/2 c. milk
1 1/2 c. cut up cheeses

Preparation

Chop carrots and celery; cook in boiling water about 10 minutes, until tender.
Chop onion.
Cook in butter until tender. Stir in flour.
Add milk slowly; stir until smooth.
Cook and stir until thickened.
Add cheese, vegetables and cooking liquid; stir over low heat until cheese melts.