Butternut Squash and Beef Lasagna
1 (16 ounce) container ricotta cheese 1 (28 ounce) jar pasta sauce 1 (8 ounce) ball fresh mozzarella cheese, shr… 1 pound ground beef 1 tablespoon chopped fresh basil 1 tablespoon Italian seasoning, divided, or t… 2 butternut squash - peeled, seeded, and thin… 2 cloves garlic, minced 2 eggs, beaten 2 tablespoons brown sugar 2 tablespoons dried parsley 2 tablespoons grated Parmesan cheese, or to t… 2 tablespoons olive oil, or to taste 2 ½ teaspoons salt, divided salt and ground black pepper to taste ½ cup grated Parmesan cheese