Zapp’s chips, available in snack size from Potbelly (Alicia Mazzara). Dish of the Week: Zapp’s chips The supermarket aisle is crowded with many a mediocre potato chip, but every once in a while, a truly great chip comes along. Zapp’s, started in Gramercy, Louisiana by Ron Zappe, produces a singularly crisp and flavorful potato chip. Unlike many brands, Zapp’s actually taste like potatoes, rather than a cardboard-like wafer of sodium and artificial flavoring. (Don’t…