Editor’s Note: This is the first piece in our new “Fork Finds” series by roving correspondent Tracy Weiss. In her weekly columns, she’ll share her latest finds on the North Fork or South Fork, including food, farmers, wine, beer and pretty much anything else interesting.   June on the North and South Forks are for fatties. It’s almost mandatory to exchange your business casual attire for elastic pants, flip-flops and a thermos of sugar-laden margaritas worn around your neck on a nylon strap. Those lucky enough to spend summers “Out East” will tell you it’s traditional to gorge yourself on…