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 French Onion Tomato Soup?

You need 11 ingredients. The key ingredients include: 4 cups thinly sliced onions, 2 -3 cloves garlic, minced, 2 tablespoons butter or 2 tablespoons margarine, 1 (46 ounce) can tomato juice, and more.

Is French Onion Tomato Soup suitable as soups & stews?

Yes, French Onion Tomato Soup falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover French Onion Tomato Soup?

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

French Onion Tomato Soup Recipe

Name: French Onion Tomato Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 4 cups thinly sliced onions; 2 -3 cloves garlic, minced; 2 tablespoons butter or 2 tablespoons margarine; 1 (46 ounce) can tomato juice; 2 teaspoons beef bouillon granules; 3 tablespoons lemon juice; 2 teaspoons dried parsley flakes; 2 teaspoons brown sugar; salt and pepper; 6 slices French bread, toasted; 2 cups shredded mozzarella cheese

Warm up with this hearty French Onion Tomato Soup recipe. Made with onions, garlic, butter and tomato juice. Easy step-by-step instructions included.

This French Onion Tomato Soup relies on simple, everyday ingredients such as thinly sliced onions, garlic, minced, (46 ounce) can tomato juice and beef bouillon granules. It comes together quickly and makes 4 servings, at about 403 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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

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

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French Onion Tomato Soup

Tips for the best results

Variations & substitutions

My Personal Notes

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