Soupe A Loignon Maison(Homemade French Onion Soup)
A rich, caramelized French onion soup featuring sweet onions, savory beef broth, and melted cheese, perfect for comforting meals and satisfying savory cravings.
Ingredients
Instructions
- Melt butter with oil in a 4-quart saucepan. Add sliced onions and stir.
- Cover and cook over medium-low heat for 15 to 20 minutes until onions are brown.
- Uncover.
- Raise heat to medium-high. Add salt and sugar.
- Cook for 30 minutes or until onions are deep brown. Turn to medium and stir in flour.
- Cook for about 2 minutes to brown the flour.
- Remove from heat.
- Put in a cup of hot beef bouillon the wine, bay leaf, and sage.
- Bring to a simmer and continue to simmer slowly for 30 to 40 minutes. Season to taste.
- Add croutons or rye bread to bowls.
- Gob it up with loads of grated Swiss, Parmesan, or Mozzarella cheese and enjoy!
Tips & Substitutions
For a richer flavor, use a combination of red and yellow onions. If you want to reduce the sugar, consider using sweeter onions like Vidalia. For a gluten-free option, substitute the flour with cornstarch mixed in cold water. Be patient while caramelizing the onions; achieving a deep brown color is key for enhancing the soup's flavor.
Serving Suggestions
Serve the soup in oven-safe bowls topped with toasted croutons or slices of rye bread for added texture. For an extra indulgent experience, sprinkle generously with grated Swiss or Parmesan cheese and broil until bubbly. This dish pairs beautifully with a side salad or a light charcuterie board for a complete meal.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 4 days. To reheat, warm the soup gently on the stovetop over low heat, adding a splash of beef bouillon or water to loosen the consistency. Avoid boiling, as it may alter the texture of the cheese if added before serving.
Nutrition & Diet Analysis (per serving)
Each serving of Soupe A Loignon Maison(Homemade French Onion Soup) contains roughly 1003 calories, with 12g protein, 49g carbohydrates, and 88g fat. It is an excellent source of vitamin C (64% of the Daily Value), dietary fiber (50% of the Daily Value), and iron (30% of the Daily Value), and a good source of calcium. Note that it is relatively high in sodium, at 1874mg per serving (81% 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 make this soup ahead of time?
Yes, you can prepare the soup a day in advance. Allow it to cool completely before transferring it to an airtight container and refrigerating. When ready to serve, simply reheat on the stovetop and add fresh cheese before broiling for the best results.
What type of wine is best for French onion soup?
Both red and white wines work well, but dry varieties like Cabernet Sauvignon or Sauvignon Blanc are ideal. The wine adds depth and acidity to the soup, balancing the sweetness of the caramelized onions. Choose a wine you'd enjoy drinking, as the flavor will concentrate during cooking.
Can I freeze French onion soup?
Freezing French onion soup is possible, but it's best to freeze it without cheese. Cool the soup completely, then transfer it to freezer-safe containers. It can be frozen for up to 3 months. When ready to enjoy, thaw in the refrigerator overnight and reheat, adding cheese just before serving.
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).