How do you garnish roasted tomato soup? This is my favorite tomato soup and I love how all the roasted vegetable flavors come together. Here are some suggestion on what to serve as a garnish to this delicious soup. * additional basil * shredded parmesan cheese * garlic croutons * goldfish crackers * grilled cheese bites * saltine crackers * roasted corn salsa * chopped, crisp bacon * crab meat