“I think granola will be the cupcake of ’09,” says Eric Demby, who would know. As co-founder of Brooklyn Flea, Demby personally curates the food stands that have drawn weekend snackers to Fort Greene and Dumbo in droves. When the market returns to the Bishop Loughlin Memorial schoolyard this weekend, the savory-sweet, amply salted Early Bird granola ($8), baked by Franny’s moonlighting general manager Nekisia Davis, will be but one of the Demby-vetted products to make its debut. To meet four more, click here.