Warm up with this hearty Vegetable Diet Soup recipe. Made with onions, green peppers, tomatoes and head lettuce. Easy step-by-step instructions included.
This Vegetable Diet Soup relies on simple, everyday ingredients such as large onions, green peppers, to 5 tomatoes and large head lettuce. It comes together quickly and makes 4 servings, at about 121 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