Shiitake‑Infused French Onion Soup

Ingredients

• 2 large Yellow onions
• 100 g Shiitake mushrooms
• 2 tbsp Unsalted butter
• 500 ml Beef broth
• 1 tbsp Mirin
• 60 ml Dry white wine
• 1 tsp Thyme leaves(optional)
• 4 slices Baguette slices
• 50 g Gruyère cheese

Instructions

1. 1

   Slice the onions thinly and clean the shiitake caps; roughly chop the mushrooms.

2. 2

   In a large pot, melt butter over medium heat, add onions and a pinch of salt, and sauté for 10 minutes until golden and caramelized.

3. 3

   Add the shiitake mushrooms and cook for 2 minutes, then deglaze with white wine and mirin, stirring for another minute.

4. 4

   Pour in the beef broth, add thyme if using, bring to a simmer, and cook for 25 minutes, adjusting salt to taste.

5. 5

   While the soup simmers, toast baguette slices and top each with grated Gruyère; place under a broiler until cheese melts and bubbles.

6. 6

   Ladle the soup into bowls, float a cheese‑topped baguette slice on each, and serve hot.