Beef and onion soup is perfect for chilly days! Recipe: 1 tablespoon olive oil 1 pound round steak, cubes 1 tablespoon butter 2 large yellow onions, sliced thinly 6 cups beef stock 1 tablespoon dijon mustard 1/3 cup dry red wine 1 teaspoon of salt 1/2 teaspoon pepper 6 ounces mushrooms, sliced 1 cup grated Swiss cheese Brown the meat in the oil in a dutch oven for 5 minutes. Remove from pan. Add onions and butter and sauté until soft, about 7 minutes. Add back the beef along with tock, mustard,