Preheat oven to 425 degrees F. Bake New York Brand Texas Garlic Toast according to package directions. Cool toasts and cut into 1 ½" pieces.

Melt butter in a deep saucepan; add onions and sauté until onions are tender and caramelized, about 5 to 7 minutes. Add soup, water, thyme, pepper and sherry and simmer for 15 minutes.

Evenly distribute bread pieces into four bowls and ladle soup into bowls.

Preheat oven to broil.

Divide and sprinkle both types of cheese over soup.

Transfer bowls to a baking tray and place in oven on middle rack of oven.

Broil until cheese is melted and golden brown, about 30 to 50 seconds.

Serve.