Gluten-free Tomato Soup Recipe with Meatballs & Pasta | This easy hearty Italian tomato soup is made from fresh tomatoes that are roasted with onions and cauliflower for added creaminess without cream or butter! Serve this simple soup with homemade ground turkey meatballs and gluten-free penne pasta for a hearty and warming gluten-free and dairy-free comfort food dish. This one is perfect for busy weeknights!