Skillet Lasagna

Ingredients (14)

• 2 tablespoons extra-virgin olive oil
• 4 cups 3/4-inch-cubed butternut squash
• 1 teaspoon kosher salt
• 1/2 teaspoon ground black pepper
• 2 teaspoons dried basil
• 1 teaspoon dried parsley
• 1/3 cup water
• 1 24-ounce jar good-quality marinara sauce
• 1 pound ground Italian chicken sausage or Italian turkey sausage
• 1 10-ounce package frozen spinach
• 1 cup part-skim ricotta cheese or low-fat cottage cheese
• 1/2 cup grated Parmesan cheese
• 1 cup shredded fontina cheese
• 6 no-boil oven-ready lasagna noodles