Spanish Sauce

2 tablespoons finely chopped lean raw ham

2 tablespoons chopped celery

2 tablespoons chopped carrot

1 tablespoon chopped onion

¼ cup butter

¼ cup flour

1⅓ cups Brown Stock

⅔ cup stewed and strained tomatoes

Salt and pepper

Cook ham and vegetables with butter until butter is well browned; add flour, stock, and tomatoes; cook five minutes, then strain. Season with salt and pepper.