This Grilled Cod with Spinach and Tomatoes is a healthy, easy-to-make dish featuring flaky cod fillets cooked with fresh spinach, juicy tomatoes, and melted mozzarella. Seasoned with garlic, olive oil, and balsamic vinegar, this dish is packed with flavor and perfect for a quick weeknight dinner or a light weekend meal. Ready in just 20 minutes, this recipe is great for busy schedules and minimal cleanup.