Stovetop Chicken Lasagna Recipe

Name: Stovetop Chicken Lasagna Recipe
Ingredients: 12 ounces ground chicken; 1 1/2 teaspoons ground fennel; 1/2 teaspoon red pepper flakes, divided; Kosher salt and freshly ground black pepper; 1 (28-ounce) can crushed tomatoes; 2 cups tomato purée; 1 cup homemade or store-bought low sodium chicken broth; 2 tablespoons olive oil; 1 medium onion, finely chopped (about 1 cup); 5 medium cloves garlic, minced (about 5 teaspoons); 12 sheets no-boil lasagna noodles, broken in half; 2 cups part-skim ricotta, divided; 12 ounces part-skim mozzarella, divided; 1/2 cup chopped parsley leaves, divided