April is a month where so many things I love come together. It holds the promise of Spring and warmer weather and my birthday. April also holds my very favorite real estate conference and one of the best, food-related holidays on the calendar. April 12th is National Grilled Cheese Day. Although deserving of much more than a day, but humble enough to accept the simple honor, this sandwich is a staple.  From the original white-bread-and-Kraft-singles staple of our youth, to fancier, grown up versions that evolved -either from necessity or maturing tastes- to things like this masterpiece from Le Noir Southern Bistro. Those savory layers were slathered in a tasty…