Mom's Vegetarian Chowder

My house smells great right now. Incredible. It smells delicious. It smells warm and yummy. My mom's Vegetarian Chowder is on the stove in a large pot. This is the perfect recipe for a chilly fall day. Enjoy!

1 cup chopped onion
1 1/2 cups chopped celery
2-3 T. margarine
1/4 cup flour
2 tsp. salt
1/8 tsp. pepper
3 cups milk
1 can great northern beans, drained & rinse until no bubbles
1 (16 oz) can whole kernel corn - do NOT drain
1 (16oz) can diced tomatoes, drained
1/4 lb. monterey jack or sharp cheddar cheese, shredded

Brown celery and onion in margarine in large pot until tender. Sprinkle with flour, salt & pepper. Slowly add milk, stirring constantly. Add beans, corn, and tomatoes. Add cheese. Heated until melted and thoroughly warm. Do not boil, stirring frequently.
Serves 6-8. Great sides: cornbread, salad.