Saucy 'Shroom Onion Cheeseburgers

Ingredients
1 tablespoon butter
5 oz sliced onions (1 cup)
4 oz sliced baby portabellas
2 tablespoons steak sauce
4 (6-oz) ground beef chuck patties
6 slices American cheese
1/2 cup ranch salad dressing
3/4 teaspoon Dijon mustard
4 Bakery hamburger buns

Prep

• Preheat gril pan on medium-high (or preheat grill).

Steps

1. Preheat large sauté pan on medium-high 2–3 minutes. Place butter in pan, then add onions, mushrooms, and steak sauce; cook and stir 4–5 minutes or until softened and browned. Remove from heat; set aside.
2. Place burgers in grill pan (or on grill); grill 3–5 minutes on each side or until 155°F (for medium).
3. Place cheese slices, ranch dressing, and mustard in microwave-safe bowl. Microwave on HIGH 60–90 seconds, stirring twice, or until cheese melts and sauce can be blended. Place burgers on buns; top with onion mixture and cheese sauce. Assemble and serve.

(Recipe courtesy of Publix Aprons Simple Meals)