2 tablespoons olive oil
6 boneless skinless chicken thighs, finely chopped
Salt and freshly ground pepper
1/2 cup finely chopped shallots
1 tablespoon minced garlic
2/3 cup dry white wine
2 teaspoons finely chopped fresh rosemary leaves
4 cups Marinara Sauce, recipe follows
1 pound linguine
1/2 cup freshly grated Parmesan

Marinara Sauce:
1/2 cup extra-virgin olive oil
2 small onions, finely chopped
2 garlic cloves, finely chopped
2 stalks celery, finely chopped
2 carrots, peeled and finely chopped
1/2 teaspoon sea salt, plus more to taste
1/2 teaspoon freshly ground black pepper, plus more to taste
2 (32-ounce) cans crushed tomatoes
2 dried bay leaves