Steak San Marco
Prep Time: 5 min
Cook Time: 240 min
Ingredients
- ✓ 1 ½ pounds beef stew meat
- ✓ 2 (8 ounce) cans tomato sauce
- ✓ ¼ cup vinegar
- ✓ 1 (1 ounce) package dry onion soup mix (such as Lipton®)