Top Chefs At Deuxave In Boston Make Julia Child's French Onion Soup | GBH

Ingredients

• 5-6 cups yellow onions, sliced thin
• 1/2 yellow onion, raw
• 4 tbsp olive oil
• 8 slices French bread
• 2 - 3 tbsp Cognac
• 4 oz Parmesan cheese
• 12 oz Swiss cheese, grated
• salt and pepper to taste
• 1/2 tsp ground sage
• 1 bay leaf
• 1 cup white wine
• 6 cups beef stock
• 3 tbsp flour
• 1/2 tsp sugar
• 2 tbsp butter
• 1 tbsp cooking oil