* Get more flavor from oil-based marinades by first sautéing onions, chiles or spices in the oil. 

* Don't let meat sit too long in highly acidic marinades or it will get chewy. 

* Salt meat lightly or not at all before cooking, so juices won't be drawn out. 

* Sear steaks over high heat. Low-fat roasts should also be cooked at a high temperature. 

* Keep the heat low when braising or stewing; if the meat boils, it toughens.