Korean American steakhouse Perilla' Happy(est) MealChicago's first Korean American steakhouse is serving up its Happy-est Meal. Chicago's first Korean American steakhouse is serving up its Happy-est Meal. Chicago's first Korean American steakhouse is serving up its Happy-est Meal. Chicago's first Korean American steakhouse is serving up its Happy-est Meal. Chicago's first Korean American steakhouse is serving up its Happy-est Meal, with a smash burger or fried chicken sandwich, fries and a drink.