Getting noticed in the competitive Polaris restaurant market is both fun and challenging for Kevin Fetherolf, chef and co-owner of the Lewis Center Kitchen and Bar. Sure, the traffic counts and gold-plated demographics are a retailer’s dream, but being an independent among dozens of chains means a different set of tests and trials, he said. “Polaris is a tough cookie because you have a huge mix of ethnic backgrounds and you have a mix of incomes,” said Fetherolf, whose restaurant has taken over the former Bar Louie space at 1611 Polaris Parkway. Opening in late 2020, when COVID-19 infections were climbing and restaurateurs were evolving business models, Fetherolf and business partner Jack Chen decided there was no better time than the present to open a scratch kitchen.