With more than half (54%) of young adult meal preparers describing themselves as inexperienced cooks and 39% of all adults categorizing themselves as the same in the 2009 Gallup Study of Cooking Knowledge & Skills, it’s not surprising that Americans are turning to a variety of small appliances to help make cooking easier, faster, and more affordable. The use of microwave ovens in meal preparation has jumped 10% since 2007, according to the NPD Group’s 2009 National Eating Trends Survey. Micr…