"There is perhaps no better way to prepare a beef stew than with a long, slow simmer. The low, moist heat slowly breaks down the structure of the muscle tissue, tenderizing the meat. You just can't get that by rushing things. Here, contributing writer Ken Haedrich offers his basic stew recipe, but he notes that, like so many slow-cooker dishes, it readily accepts additions and adjustments. "For instance, I sometimes use a cup of dry red wine in place of the beef stock. And I'll often add a handful of dry lentils, perhaps one third cup, at the outset as well. If you like, you can use a sliced parsnip too. There are plenty of ways to play with the basic formula. Just let it simmer all day long. Unmentionably good."..."