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French Onion Soup (Vegan)

Soups
4 Servings
Prep 15 min
Cook 50 min
Total 65 min

Ingredients

    Ingredients:

    • 4 large yellow onions, thinly sliced
    • 3 tbsp vegan butter
    • 1 tbsp olive oil
    • 1 tsp sugar
    • 2 cloves garlic, minced
    • 1/4 cup dry white wine (optional)
    • 6 cups vegetable broth
    • 2 tsp fresh thyme (or 1 tsp dried)
    • 1 tbsp soy sauce
    • Salt and pepper, to taste
    • 4-6 slices baguette, toasted
    • 1 cup vegan mozzarella or gruyere-style shreds

    Features:

    Nut-Free

    Grain-Free

    Nutrition:

    Servings 4  Calories 370  Carbohydrates 34 g  Fat 20 g  Fiber 3 g  Protein 5.5 g
    Monounsaturated 10 g  Polyunsaturated 2 g  Saturated 8 g  Trans 0 g
    Vitamin A 5 mcg  Vitamin C 8 mg  Vitamin D 0 mcg
    Calcium 130 mg  Iron 1.5 mg  Potassium 300 mg
    Cholesterol 0 mg  Sodium 750 mg  Sugar 10 g

    Make Now
    Prep

    Don't rush the onions — the full 30-35 minutes over low heat is what turns them deeply caramelized and sweet; turning up the heat to speed things along just burns them before they develop that flavor.

    Instructions:

    1. Start the Onions: Melt the vegan butter with olive oil in a large pot over medium heat. Add the onions and sugar, stirring occasionally.
    2. Caramelize: Cook the onions low and slow for 30-35 minutes, stirring often, until deeply caramelized and golden brown.
    3. Add Garlic: Add the garlic and cook for 1 minute, until fragrant.
    4. Deglaze: Pour in the white wine, if using, and scrape up any browned bits from the bottom of the pot.
    5. Simmer: Add the vegetable broth, thyme, and soy sauce. Bring to a simmer and cook for 15-20 minutes.
    6. Season: Season with salt and pepper to taste.
    7. Top: Ladle the soup into oven-safe bowls, top each with a toasted baguette slice and a generous handful of vegan cheese.
    8. Broil & Serve: Broil for 2-3 minutes, until the cheese is melted and bubbling. Serve hot.
    Common Mistakes, Notes, Storage, Swaps & Tips

    Notes: Read through the full recipe before starting so you have all ingredients prepped and ready to go.

    Tips: Let the soup simmer, not boil, so the flavors develop without breaking down delicate vegetables.

    Storage: Refrigerate for up to 4 days or freeze for up to 3 months; reheat gently on the stove.

    Swaps: Feel free to swap in seasonal vegetables or pantry staples you have on hand, adjusting cook time as needed.

    Why these Ingredients

    A few ingredients do most of the work in this recipe. The vegan butter adds richness and helps create a tender, flavorful base. The olive oil brings fruity depth and helps carry the other flavors. The sugar provides clean sweetness and helps balance acidity. The garlic builds a savory, aromatic base.