French Onion Soup

By T_sart

Ingredients

• 1/2 cup unsalted butter
• 4 large yellow onions thinly sliced
• salt
• pepper
• 5 cups vegetable stock
• 2 bay leaves
• 1/2 lb gruyere
• 6 slices french bread

Preparation

Step 1

In a large saucepan melt butter over low heat. Add onions and season with salt. Stir to coat well with butter. Cover and cook stirring occasionally until very tender 20-30 minutes.
Remove lid raise heat slightly and cook until onions turn a deep caramel brown. about 1 hour.
Add the stock and bay leaves. Raise heat to medium;bring to a boil; reduce heat to low. Cover and simmer for 30 minutes longer.
Discard bay leave and adjust according to taste.