Mushroom and Onion Sauced Round Steak
2 pounds boneless beef round steak, cut 3/4 inch thick
1 tablespoon cooking oil
2 medium onions, sliced
3 cups sliced fresh mushrooms
1 12-ounce jar beef gravy
1 1.1-ounce package dry mushroom gravy mix
Mashed potatoes (optional)
Trim fat from steak. Cut steak into 8 serving-size pieces. Brown meat, half at a time, in hot oil in a large skillet. Drain off fat.
Place onions in a 3-1/2 or 4-quart slow cooker. Place steak pieces and mushrooms on onions. Combine beef gravy and mushroom gravy mix; pour over gravy mixture over all.
Cover; cook on low-heat setting for 8 to 10 hours or on high-heat setting for 4 to 5 hours. Serve over mashed potatoes, if desired.