Crockpot Beef without cornstarch

2 pounds stewing beef 10 1/2 ounces soup, cream of mushroom one can 12 ounces lemon-lime soda, sugar-free * 1 1/4 ounces onion soup mix one envelope 1 medium[...]

1 1/2 pound beef, flank steak 1 each onion sliced 1 each green bell pepper cut into strips 1 each sweet red bell pepper cut into strips 1 each jalapeño pepper[...]

1 large onion , halved and sliced thin 8 ounces portabello mushrooms , sliced 2 tablespoons butter 1 tablespoon oil 1 tablespoon flour 3 garlic cloves ,[...]