Cost per Serving:
1. Stir together potatoes, onions, tomatoes, parsley sprigs, cumin, allspice, salt, pepper and 2 cups water in a slow cooker until thoroughly combined. Cover and cook for 4 to 5 hours on high. Discard parsley sprigs.
2. Just before serving stew, stir in chopped parsley and peanut butter. Serve hot in bowls.