Cajun Hamburger Soup 1 1/2 lbs Hamburger 2 cans tomato sauce 1 can Ro-Tel tomatoes 6-8 cups water or vegetable broth 1 large bag frozen vegetables 2 large Russet potatoes, peeled and cubed salt and pepper, to taste Brown hamburger, season with salt and pepper. Drain hamburger and add back to soup pot (at least 8 qts.) Add tomato sauce, Ro-Tel tomatoes and water. Add frozen vegetables. Bring to a boil then reduce to a simmer. Let simmer for about an hour or until vegetable are tender. Add cubed potatoes. Cook until potatoes are tender. Check seasoning and add salt and pepper, to taste.