Low Fat Salmon Chowder

4 1/2 lbs. Alaska salmon, cooked
5 c Chopped onions
5 c Chopped celery
10 Garlic clove -- minced
1/2 lb. Margarine
10 c Diced potatoes
10 c Diced carrots
1 gal. Chicken stock
1 Tbsp. Dried Thyme
1 Tbsp. Black pepper
5 c Chopped broccoli
1 gal. Low-fat evaporated milk
6 lbs. Frozen corn kernels thawed
Fresh chopped parsley

Cook salmon if not already cooked, (poach in water).
 Flake salmon, making sure all bones are removed.   
Sauté onions, celery and garlic in margarine.
Add potatoes, carrots, chicken stock and seasonings. 
Simmer, covered, 20 minutes, or until vegetables are nearly tender. 
Add broccoli and cook 5 minutes. Add flaked salmon, evaporated milk and corn; 
heat thoroughly. 
Garnish with minced parsley.