Any great burger maestro knows grinding one's own burger meat is essential to making the freshest, most flavorsome burgers. It's also easier than you might think. Go to a butcher to get your meat, cut everything into cubes, run them through a cold meat grinder and chill. Freezing the meat beforehand facilitates the process. If you don't have a meat grinder, you can always use your food processor or a sharp cleaver to do it manually. Get the full how-to here.