Vidalia Onion Soup

Prep: 10 min Cook: 40 min Serves: 6 Cuisine: French

A comforting French onion soup featuring sweet Vidalia onions, melted Swiss and mozzarella cheeses, and toasted French bread, perfect for cozy gatherings and savory cravings.

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Ingredients

  • 4 to 5 large onions, sliced
  • 3 Tbsp butter or oleo
  • 1/4 tsp pepper
  • 1 Tbsp flour
  • 6 c beef broth
  • 6 to 8 slices French bread, toasted
  • 1/2 to 1 c Swiss cheese, grated
  • 1/2 to 1 c Mozzarella cheese, grated

Instructions

  1. Saute sliced onions in butter until lightly browned.
  2. Add pepper and cook for a few more minutes.
  3. Sprinkle onions with flour and cook for 1 minute, stirring constantly.
  4. Add beef broth and simmer for 30 minutes.
  5. Taste and add salt if needed.
  6. Pour soup into individual ovenproof dishes.
  7. Place toasted French bread slices on top of each serving and sprinkle with grated cheese.
  8. Broil or bake at 400°F until the cheese is melted and bubbly.

Tips & Substitutions

For a deeper flavor, consider using a mix of yellow and Vidalia onions. If you prefer a vegetarian version, substitute vegetable broth for the beef broth and use a plant-based butter. To enhance the richness, add a splash of sherry or white wine before simmering. Ensure the onions are well caramelized for optimal sweetness.

Serving Suggestions

Serve the soup hot, garnished with fresh herbs like thyme or parsley for added flavor. It pairs wonderfully with a crisp green salad or a side of roasted vegetables. For a heartier meal, consider serving it alongside a sandwich or a classic French onion soup. This dish also pairs beautifully with a glass of red wine.

Storage & Reheating

Leftover Vidalia onion soup can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, gently warm on the stovetop or in the microwave until heated through. If the soup thickens, you can add a little extra broth to achieve your desired consistency before serving.

Nutrition & Diet Analysis (per serving)

Each serving of Vidalia Onion Soup contains roughly 850 calories, with 20g protein, 142g carbohydrates, and 22g fat. It is an excellent source of iron (42% of the Daily Value), protein (40% of the Daily Value), and vitamin A (32% of the Daily Value), and a good source of potassium and vitamin C. Note that it is relatively high in sodium, at 1477mg per serving (64% of the Daily Value).

850 kcal 43% DV
Protein Fat Carbs

Macronutrients

Protein 20.2g 40% DV
Total Fat 22.1g 28% DV
Carbs 141.7g 52% DV
Fiber 7g 25% DV
Sugar 4.8g 10% DV

Electrolytes

Sodium 1477.2mg 64% DV
Potassium 604.8mg 13% DV
Cholesterol 58.5mg 20% DV

Vitamins & Minerals

Vitamin A 283.6mcg 32% DV
Vitamin C 12mg 13% DV
Calcium 89.9mg 7% DV
Iron 7.6mg 42% DV
Diet fit High-protein High-fiber Low-fat
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this soup ahead of time?

Yes, you can prepare the soup in advance. Store it in the refrigerator, then reheat it before serving. This allows the flavors to meld beautifully. Just be sure to add the cheese and bread topping just before broiling to keep it fresh and crispy.

What kind of bread is best for topping the soup?

French bread works best for this recipe due to its crusty texture, which holds up well when broiled. Alternatively, you can use sourdough or ciabatta for a different flavor profile. Just ensure the bread is toasted to prevent it from becoming soggy in the soup.

How can I make this soup gluten-free?

To make the soup gluten-free, simply replace the all-purpose flour with a gluten-free flour blend or cornstarch. Also, make sure to use gluten-free bread for the topping. This way, you can still enjoy the delicious flavors without the gluten.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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