Mushroom Hamburgers

Mushroom Hamburgers
Serves 4

2 tsp olive oil
1/2 cup finely chopped red or yellow bell pepper
1/4 cup finely chopped onion
2 tbsp finely chopped carrot
2 tbsp finely chopped celery
2 garlic cloves, finely chopped
2 cups finely chopped mushrooms
10 oz extra-lean ground beef (10% or less fat)
1 tbsp steak sauce
Salt and freshly ground black pepper to taste

In a 10-inch nonstick skillet, heat oil; add bell pepper, onion, carrot, celery and garlic. Saute, stirring, until onion is translucent, about 8-10 minutes.

Add mushrooms; raise heat to high and saute, stirring, until mushrooms brown and liquid evaporates, about 8 minutes. Allow mixture to come to room temperature.

Preheat broiler. Combine mushroom mixture with ground beef, steak sauce, salt and pepper. Form into 4 hamburgers. Spray broiler rack with nonstick cooking spray. Broil burgers on rack 3-4" from heat, 3-4 minutes on each side for medium-rare or to your preference.

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