This Tomato Soup and Grilled Cheese Casserole  combines creamy tomato soup, melty cheese, and golden toasted bread in one irresistible, baked comfort dish — easy, cozy, and perfect for family dinners! Tomato Soup and Grilled Cheese Casserole: The Comfort Food Classic, Reinvented Few pairings are as nostalgic as tomato soup and grilled cheese  — but this casserole takes that classic duo to the next level. It’s everything you love about the creamy soup and melty sandwich, layer