Clam Chowder

CLAM CHOWDER
1 cup finely chopped onion
1 cup finely chopped celery
2 cups diced potatoes
2 (6-1/2 oz.) Cans minced clams and juice
2 tablespoons vinegar
few grains pepper
3/4 cup butter
1-1/2 teaspoon salt
1 quart half n half
Drain juice from clams. Pour over vegetables in a small saucepan. Add enough water to barely cover and simmer while covered over medium heat until barely tender. In the meantime, melt butter, add flour and blend. Cook stirring constantly. Add half n half and cook. Stir with wire whisk until smooth and thick. Add undrained vegetables, clams and vinegar. Heat through. Don’t boil.