W W Mushroom Hamburgers

• 2 teaspoons olive oil
• 1 small onion, chopped
• 2 tablespoons carrots, minced
• 2 tablespoons celery, minced
• 2 garlic cloves, minced
• 2 cups mushrooms, finely chopped
• 1 lb 90% lean ground beef
• 1 tablespoon Worcestershire sauce
• 1 teaspoon steak seasoning
• salt and pepper
• 4 whole wheat hamburger buns
• 4 slices tomatoes
• 4 iceberg lettuce leaves

1. Heat the oil in a saucepan and saute the onion, carrot, celery and garlic about 10 minutes.
2. Add the mushrooms and saute about 8 minutes and cool to room temperature.
3. Spray cooking spray on to the broiler and preheat.
4. Mix the mushroom mixture, beef, Worcestershire, and seasoning.
5. Divide the meat into 4 patties.
6. Broil 5 to 7 minutes on each side.
7. Let the burgers set 5 minutes.
8. Serve with tomatoes and lettuce on buns.

olive oil, onion, carrots, celery, garlic, mushrooms, ground beef, worcestershire sauce, steak seasoning, salt, whole wheat hamburger buns, tomatoes

Taken from www.food.com/recipe/w-w-mushroom-hamburgers-117117 (may not work)