Butternut Squash and Bacon Lasagna

Name: Butternut Squash and Bacon Lasagna
Ingredients: 1 tablespoon unsalted butter, at room temperature; 1 tablespoon all-purpose flour; 6 slices thick-cut bacon, diced; 1 small onion, chopped; 3 cloves garlic, minced; 3 tablespoons chopped fresh parsley; 2 tablespoons chopped fresh sage; 3/4 teaspoon dried Italian seasoning; Kosher salt and freshly ground pepper; 2 1/2 cups whole milk; 1 cup heavy cream; 3/4 cup grated Parmesan cheese; 1/2 pound fresh mozzarella cheese, shredded; 1/2 pound fontina cheese, shredded; 21 sheets no-boil lasagna noodles (from two 1-pound boxes); 2 butternut squashes, peeled, halved, seeded and sliced 1/4 inch thick; 1/4 cup breadcrumbs