Beef Stroganoff Ingredients

- 2 pounds beef chuck roast
- 1/2 teaspoon salt
- 1/2 teaspoon ground black pepper
- 4 ounces butter
- 4 green onions, sliced (white parts only)
- 4 tablespoons all-purpose flour
- 1 (10.5 ounce) can condensed beef broth
- 1 teaspoon prepared mustard
- 1 (6 ounce) can sliced mushrooms, drained
- 1/3 cup sour cream
- 1/3 cup white wine
- salt to taste
- ground black pepper to taste