Warm up with this hearty Throw Together Soup recipe. Made with leftover roast beef, potatoes, carrots and onions. Easy step-by-step instructions included.
This Throw Together Soup relies on simple, everyday ingredients such as leftover roast beef, leftover potatoes, leftover carrots and onions, cut up big. It comes together quickly and makes 4 servings, at about 22 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026