Combine tomatoes onion garlic celery parsley basil and bay leaf in a large pot Bring to a boil reduce to a simmer cover and cook until quite soft 1-2 hours
Remove bay leaves and puree soup with an immersion blender You can use a food processor or blender but both tend to add air and will make the soup distinctly pink instead of red
Add salt sugar and pepper Bring to a boil reduce to a simmer and cook uncovered 1-2 hours until thickened