Make The Baked Ziti Nerano from Don Angie - Appetito

Ingredients

• 3/4 cup kosher salt, for the pasta water
• 1 pound dried ziti
• 2 tablespoons extra-virgin olive oil
• 2 pounds zucchini (about three medium)
• 1/2 cup (1 stick) unsalted butter
• 6 garlic cloves, grated on a Microplane
• 1 tablespoon chopped thyme (10 to 12 sprigs)
• 2 medium yellow onions, sliced into thin half-moons
• 1 tablespoon kosher salt
• 1 -1/2teaspoons freshly ground black pepper
• 4 tablespoons (1/2 stick) (unsalted butter
• 2 tablespoons all-purpose or Wondra flour
• 1/2 cup whole milk
• 1 teaspoon kosher salt
• 1/2 cup labneh or whole- milk Greek yogurt
• 1/2 cup crème fraîche
• 2 cups coarsely grated sharp hard provolone cheese (8 ounces)
• 3 cups coarsely grated mild soft provolone cheese (12 ounces)
• 1 cup toasted breadcrumbs (optional)