Ingredients: brioche, celery, leek, beef shank, flour, butter, red wine, carrot, bay leaf, dijon mustard, parsley, olive oil, thyme, onion, garlic, baking soda
Creamy White Onion Soup
bonappetit.com
Ingredients: brioche, celery, leek, heavy cream, fontina, butter, white wine, red onion, shallot, ginger root, chive, red wine vinegar, red wine, white wine vinegar, allspice, olive oil, cinnamon, apple cider vinegar, serrano pepper, mirin, star anise, onion, sugar, garlic, chili flake