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French Onion Soup (Soupe a l'Oignon)

French · Western Europe Top Pick HYBRID
9/10

Deeply caramelized onion soup topped with a crouton and broiled Gruyere cheese.

Vegetarian Soup Home Cook Friendly V Vegetarian N Nut-Free E Egg-Free

Why It Works

Caramelizing onions for 45+ minutes converts their sugars via Maillard reaction, creating hundreds of new flavor compounds. The cheese cap traps steam, keeping the soup hot.

Key Ingredients

yellow onions butter beef broth white wine Gruyere cheese baguette thyme sherry