A steady stream of diners entered Harvest, an Oceanfront restaurant, midday on a recent Sunday. One cashier handled dine-in and to-go customers. A worker at the bar hurriedly peeled a banana for a Beach Hangover smoothie. Another zipped through the dining room to drop off a lavender lemonade. He then grabbed a rag and started wiping down another table. Owner Michal Mauch was cooking in the ...