Ingredients
4 servings
- •2 tablespoons salted butter
- •2 tablespoons olive oil
- •2 large red onions, thinly sliced
- •2 large sweet onions, thinly sliced
- •2 teaspoons kosher salt
- •1 teaspoon white sugar
- •4 cups mushroom broth (such as Pacific Foods™)
- •⅔ cup fino dry sherry
- •1 tablespoon vegan Worcestershire sauce (such as The Wizard's)
- •2 teaspoons dried parsley
- •2 teaspoons herbes de Provence
- •2 bay leaves
- •1 tablespoon balsamic vinegar
- •1 (1 ounce) piece Parmesan cheese rind
- •salt and ground black pepper to taste
- •8 French baguette slices
- •¾ cup grated Gruyere cheese
- •½ cup grated Parmesan cheese
Instructions
- Melt butter and olive oil in a pot over medium heat. Add red onions and sweet onions; sprinkle with kosher salt and sugar. Cook, stirring frequently, until onions are very tender and caramelized, about 45 minutes.
- Pour mushroom broth, sherry, Worcestershire sauce, parsley, herbes de Provence, and bay leaves into onion mixture. Bring to a simmer and cook over medium-low heat for 45 to 60 minutes.
- Reduce heat to low and remove bay leaves. Pour balsamic vinegar into soup and adjust seasoning. Mix well.
- Place Parmesan cheese rind in the center of the pot and submerge, but do not stir. Cook soup for an additional 20 minutes.
- Set an oven rack about 6 inches from the heat source and preheat the oven's broiler.
- Arrange bread slices on a baking sheet.
- Broil bread slices in the preheated oven for 2 to 3 minutes per side. Remove from the oven and set aside.
- Carefully remove cheese rind from the pot and discard.
- Fill 4 oven-safe bowls evenly with soup and sprinkle each with a light layer of grated Gruyere cheese and Parmesan cheese. Top each with 2 bread slices and sprinkle each with remaining Gruyere cheese and Parmesan cheese. Place bowls on a baking sheet.
- Broil soup in the preheated oven until cheese is browned and bubbling, 3 to 5 minutes.
Nutritional Facts
Per 4 servings
- Calories: 478
- Carbohydrate: 37g
- Fat: 26g
- Fiber: 3g
- Protein: 21g
- Sugar: 11g