Tuna Cheddar Chowder

4 carrots, shredded
1 onion, chopped
2 potatoes, diced
3/4 to 1 C whole wheat flour
4 C chicken stock
4 C milk
2 6 1/2 oz. Tuna, drained
1/2 tsp celery seed
1-1/2 tsp Worchester sauce
1/2 tsp salt
2 C cheddar cheese

-In large sauce pan, sauté carrots, onion, and potato in water until soft. Mix in flour. Add chicken stock and milk. Heat, stirring constantly until thick and bubbly. Add the tuna, celery seed, Worchester sauce and salt and heat through. Add cheese and stir until it melts.