- 1 (46 fluid ounce) can tomato juice
- 2 (29 ounce) cans tomato sauce
- 1 (6 ounce) can tomato paste
- 2 tablespoons white sugar, or more to taste
- 1 tablespoon dried basil
- 1/4 teaspoon ground black pepper
- Stir tomato juice, tomato sauce, tomato paste, sugar, basil, and pepper together in a slow cooker.
- Cook on Low 4 to 6 hours.