Ingredients

• 1/2 cup butter
• 2 pounds onions, finely sliced
• 1 tsp salt
• 1 tbsp flour
• 1/4 cup white wine
• 2 cups bone broth
• 4 sprigs fresh thyme
• 1 bay leaf
• 2 tsp sherry vinegar
• Bread & cheese

Instructions

1. Saute the onions in butter with salt over medium heat for 40 minutes; stir occasionally.
2. Add the flour & stir for 1 minute.
3. Add the broth & herbs. Simmer for 20 minutes.
4. Turn off the heat, remove the herbs, & stir in the vinegar.
5. Serve with broiled bread & cheese.