Cooking : Burgers with Garden Sauce

Ingredients
1 large onion, diced
2 medium carrots, diced
1 medium green pepper, diced
2 celery ribs, diced
1 tablespoon minced fresh parsley
1 tablespoon vegetable oil
2 pints cherry tomatoes
1/2 cup ketchup
2 tablespoons brown sugar
2 tablespoons lemon juice
2 tablespoons vinegar
2 tablespoons prepared mustard
1 tablespoon Worcestershire sauce
salt and pepper to taste
4 slices bread
1/2 cup water
2 eggs, beaten
1 medium onion, finely chopped
2 teaspoons minced fresh parsley
1 teaspoon salt
1/2 teaspoon pepper
2 pounds ground beef
8 sandwich rolls, split

Directions
In a Dutch oven or large saucepan, saute onion, carrots, green pepper, celery and parsley in oil until vegetables are tender. Add tomatoes, ketchup, brown sugar, lemon juice, vinegar, mustard, Worcestershire sauce, salt and pepper. Cover and simmer for 1-1/2 hours. Meanwhile, soak bread in water; squeeze dry and crumble into a bowl. Add the eggs, onion, parsley, salt and pepper. Crumble beef over mixture and mix well. Shape into eight patties. Broil or pan-fry until no longer pink; drain. Add to sauce. Cover and simmer for 30 minutes or until heated through. Serve on rolls.