Beef with zucchini

1 tablespoon oil 3/4 lb round steak, cubed 1 onion , chopped 2 medium carrots , sliced 2 stalks celery , chopped 5 cups beef broth 3/4 teaspoon dried oregano[...]

1 lb lean ground beef 1/2 cup fresh breadcrumb (one slice) 1 large egg 1/4 cup chopped fresh dill 1 teaspoon salt 1/2 teaspoon fresh ground pepper 1/2[...]

1/3 cup Wish Bone Italian salad dressing 1/2 cup dry red wine or 1/2 cup vegetable broth 1 1/2 tablespoons light soy sauce 12 ounces lean boneless sirloin,[...]