French Onion Beer Soup Recipe

Add oil and melt butter in large cooking pot. Add the onions, salt, pepper, brown sugar and cook, stirring occasionally, over medium heat until onions have turned deep golden in color, this will take 45-60 minutes. Be careful not to burn the onions.
When onions have reached the "perfect" color, add the cooking sheery to deglaze and cook for 5 minutes. Add water, beef bullion, beer, tabasco sauce, thyme. Bring to a boil, cover, reduce heat and simmer for 30 minutes.
Preheat oven broiler. Ladle soup into oven-proof bowls. Top each bowl with a croutons, sliced and grated cheeses. Broil until cheese melts and bubbles. Serve immediately.