A cozy, comforting vegetable beef soup with tender beef chunks, potatoes, and a mix of vegetables in a light tomato-beef broth. Easy to make on stovetop, slow cooker, or Instant Pot, freezer-friendly, and perfect for family meals.
Frozen mixed vegetables save time and provide consistent texture; designed for frozen veggies but fresh can be used with longer cooking., Save and add roast cooking liquid if slow-cooked separately to boost flavor., Shred roast while warm for tender chunks., Season with salt after simmering for best salt control., For thicker soup, use extra tomato soup, mash potatoes into broth, or use cornstarch slurry., Cool soup completely before freezing with space for expansion; reheat gently to maintain vegetable texture., Substitution ideas: use leftover roast, ground beef, or stew meat; add cooked barley, pasta, or rice for heartier soup; use diced tomatoes and extra broth for less sweet flavor; omit beef and use vegetable broth and protein alternatives for vegetarian version; add fresh herbs or bay leaf for flavor.