Ingredients in the healthiest vegetable soup recipes include carrots, celery, onions, garlic and vegetable broth. Healthy recipes also contain some type of herbs, such as oregano, thyme and bay leaves. Some recipes contain potatoes, lentils or barley.
Make a basic healthy vegetable soup by cooking 1/2 chopped onion, 2 chopped ribs of celery and 2 sliced carrots in 1 tablespoon of olive oil for a few minutes. Add any other vegetables, such as zucchini or green beans. Season the vegetables with 1 teaspoon of salt, 1 teaspoon of thyme, 1 teaspoon of oregano and 1 bay leaf. Stir the vegetables and herbs, and then add 8 cups of vegetable broth. Add 1 can of tomatoes, and simmer the soup for up to 12 minutes. Remove from heat and serve.
If you want a lentil or barley and vegetable soup, add the lentils or barley at the same time as the vegetable broth, and simmer for 30 minutes before serving. Another healthy recipe is Thai coconut vegetable soup. After cooking the vegetables, add 1 cup of coconut milk, 1 cup of peanut butter and 1/2 cup of vegetable broth to the pot. Sprinkle the soup with chopped fresh basil and cilantro before serving.