French Onion Soup Mac and Cheese

Name: French Onion Soup Mac and Cheese
Ingredients: 1/4 cup bread crumbs; 1/4 cup grated Parmesan; 4 tablespoons butter; 4 tablespoons all-purpose flour; 2 cups whole milk or half-and-half; Salt and freshly ground black pepper; 8 ounces Gruyere, grated; 3 ounces mozzarella grated; 2 tablespoons butter, plus 1 tablespoon (or nonstick spray); 1 tablespoon extra-virgin olive oil; 3 large white onions, thinly sliced; 6 cloves garlic, peeled and chopped; 2 tablespoons honey; 1 cup dry sherry; 2 cups beef stock; 8 sprigs fresh thyme leaves; 1 pound pasta, cooked al dente (elbow macaroni, ziti, or fusilli work well)