A touch of tamarind paste lends tomato ketchup an edgy pucker. Spread this sauce all over Chapli burgers, kebabs, fried potatoes or anywhere else you'd think to use the plain stuff.
Though onion-powder dip does give me a teenage memory buzz, I remember equally well the time I first slow-cooked a batch of onions, watching them easily turn from white to pale yellow to walnut (at which...