Baked Onion Soup
A comforting baked onion soup with sweet caramelized onions, savory beef broth, and a touch of white wine, perfect for cozy gatherings and hearty appetites.
Ingredients
Instructions
- Saute onions in butter and oil in a covered saucepan for 5 minutes.
- Add sugar and salt; cook over moderate heat until onions are transparent.
- Add flour and stir for 3 minutes.
- Raise heat and add beef broth and white wine.
- Season as desired and simmer, partly covered, for 45 minutes.
Tips & Substitutions
For a richer flavor, consider using a mix of sweet and yellow onions. If you need a gluten-free option, substitute the flour with cornstarch or a gluten-free flour blend. To enhance the soup, add a splash of Worcestershire sauce or a pinch of thyme. If you prefer a creamier texture, stir in some heavy cream just before serving.
Serving Suggestions
Serve this baked onion soup with crusty bread or a side salad for a complete meal. It pairs beautifully with Dawn'S Meatloaf for a comforting family dinner. For a garnish, add fresh herbs like thyme or parsley, or top with melted Gruyère cheese for added richness. Consider serving with a light white wine to complement the flavors.
Storage & Reheating
Store leftover baked onion soup in an airtight container in the refrigerator for up to 3 days. To reheat, gently warm on the stovetop over low heat, stirring occasionally, until heated through. For a crispy topping, you can place it in an oven-safe dish, add cheese, and broil for a few minutes until bubbly.
Nutrition & Diet Analysis (per serving)
Each serving of Baked Onion Soup contains roughly 3353 calories, with 0g protein, 4g carbohydrates, and 375g fat. Note that it is relatively high in sodium, at 1757mg per serving (76% of the Daily Value).
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 use yellow onions instead of sweet onions?
Yes, yellow onions are a great substitute and will give the soup a slightly different but still delicious flavor. They tend to be more pungent than sweet onions, so adjust the seasoning as needed.
How can I make this soup vegetarian?
To make the soup vegetarian, simply replace the beef broth with vegetable broth. You can also enhance the flavor by adding additional herbs or a splash of soy sauce.
Can I freeze baked onion soup?
Yes, you can freeze baked onion soup. Allow it to cool completely, then transfer it to freezer-safe containers. It will keep for up to 3 months. Reheat from frozen on the stovetop or in the microwave, adding a bit of broth to maintain the desired consistency.
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).