Spicy Beef Kebabs with Tzatziki

These may look unassuming, but make no mistake, these kefte-style meat skewers are generously seasoned with both fresh and dried chiles. Throw a few on the grill at your next barbecue and watch them disappear long before the burgers and dogs. We like to make hefty, quarter-pound patties, but smaller meatball-size kebabs are great for parties and game nights. You can make the tzatziki 1 or 2 days ahead of time, but it may separate as it stands. Either drain off any liquid that accumulates on