When you’ve cooked professionally and catered incessantly, you can’t just walk into a shindig empty handed — or with something too slapdash. You know that you can’t get away with a simple cheese platter, or a store-bought dip or appetizer without a little razzing. People expect more. Chances are you will become invisible as you walk in the door — all eyes will be on what you are holding. And it had better be good. Not fancy, mind you — just damn tasty….