Zwiebelsuppe (German Onion Soup)

Ingredients

• 6 large onions, thinly sliced
• 3 tbsp butter
• 1 cup dark beer
• 4 cups beef broth
• 4 slices crusty bread
• 1.5 cups Gruyère, grated

Instructions

1. 1

   Cook onions in butter on low heat 30-40 minutes until deep golden.

2. 2

   Add beer and broth. Simmer 20 minutes.

3. 3

   Ladle into oven-safe bowls. Top with bread and cheese. Broil until bubbly.