How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Lo Cal Vegetable Soup Recipe?

You need 11 ingredients. The key ingredients include: 2 Packages Knorr dry onion soup mix, 2 (14 1/2 ounce.) cans diced tomatoes, 6 c. water, 1 (10 ounce.) pkg. frzn mixed vegetables, and more.

Is Lo Cal Vegetable Soup Recipe suitable as soups & stews?

Yes, Lo Cal Vegetable Soup Recipe falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Lo Cal Vegetable Soup Recipe?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Lo Cal Vegetable Soup Recipe

Name: Lo Cal Vegetable Soup Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 Packages Knorr dry onion soup mix; 2 (14 1/2 ounce.) cans diced tomatoes; 6 c. water; 1 (10 ounce.) pkg. frzn mixed vegetables; 2 c. sliced fresh zucchini; 1 1/2 c. mushrooms; 1 c. sliced celery; 6 basil leaves; 1 teaspoon black pepper; 1/2 teaspoon garlic pwdr; 1/2 teaspoon garlic salt

Warm up with this hearty Lo Cal Vegetable Soup recipe. Made with Knorr dry onion soup mix, tomatoes, water and mixed vegetables. Easy step-by-step instr…

This Lo Cal Vegetable Soup relies on simple, everyday ingredients such as knorr dry onion soup mix, water, sliced fresh zucchini and mushrooms. It comes together quickly and makes 4 servings, at about 134 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

Serves 4 Soups & Stews

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Lo Cal Vegetable Soup Recipe

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions