1 1/2 c. chopped celery
1/3 c. chopped onion
1/2 tsp. salt
1 c. water
2 1/2 c. milk
3 tbsp. flour
1/2 tsp. salt
1/8 tsp. white pepper
2 tbsp. butter

Cook celery, onion and salt in water, covered, for about 15 minutes. Do not drain. Add milk, flour, salt, and white pepper. Add to celery mixture. Cook and stir until bubbly. Stir in butter. Season.