Heat the oil over medium low heat, add the onion, crushed garlic, scallions, bell pepper, salt and pepper. Cook until the onions are soft and translucent, about 7-10 minutes.
Add the cabbage, chopped tomatoes, tomato sauce, ground cumin for about 10 minutes. Season with salt and pepper.
Add the stock, or water, and bring to a boil and reduce to a simmer and cook for 10 minutes more. Adjust the seasonings if needed. Add fresh parsley or cilantro and serve warm.