Spaghetti Squash Lasagna

Bahan-bahan (4 porsi)

• 2 medium spaghetti squash
• 1 tablespoon plus 2 teaspoons extra-virgin olive oil (divided)
• 2 teaspoons kosher salt (divided)
• 3/4 teaspoon ground black pepper (divided)
• 1 pound ground turkey
• 2 teaspoons Italian seasoning
• 1/4 teaspoon red pepper flakes
• 2 cloves garlic (minced)
• 1 (24-ounce) jar good-quality tomato pasta sauce (I like roasted garlic or tomato basil)
• 1 tablespoon red wine vinegar
• 1 (10-ounce) pack frozen spinach (drained and pressed as dry as possible)
• 1 cup part-skim ricotta cheese (or low-fat 1% or 2% cottage cheese)
• 1 cup shredded fontina, mild provolone, mozzarella, or similar melty cheese (divided)
• 1/4 cup grated Parmesan cheese
• Chopped fresh parsley