This rich-tasting stew is well balanced with protein, vegetables, and complex carbs, so no accompaniments are needed, although warm flatbread and a crisp green salad make terrific additions to the table.
Heat the oil or water in a large pot over medium heat. Add the onion and cook, stirring occasionally, until softened, about 5 minutes. Add the garlic, potatoes, coriander, cumin, oregano, cayenne, and tomato paste and cook, stirring, for 30 seconds. Add the broth and kale and cook, stirring occasionally, to wilt the kale. Stir in the bell pepper, tomatoes with their juic