Comfort food does not have to be a bowl of carbohydrates quivering under an equal weight of grated cheese. Granted, sometimes that is the most obvious salve, yet if you have the patience to explore further, I might be able to help.  If what you need is a freezer-friendly, feed anyone, thrifty to make, easy to transform new staple, then this sweet potato, carrot, yellow split pea and mandarin (yes, mandarin) dhal may prove golden (in more ways than one). It’s something that is often stored in plastic ziplock bags in the third drawer of my freezer, gently hibernating until it gets corralled into duty. It’s something that is very …