This menu of crowd-pleasers is heavy on the make-aheads, so you can enjoy yourself with your guests. Toast the start of summer with a pitcher of alcohol-optionalHibiscus Sangria Punch(or make two pitchers, one with alcohol and one without) and set out freshFarmers’ Market Crudites with Buttermilk Herb DipandChipotle Black Bean Dipwith chips for when guests arrive. Two simple mains from the grill,Buttermilk Marinated ChickenandBourbon Brown Sugar Marinated Flank Steak, are complemented by an irresistibleBroccoli SlawandCorn Chowder Saladon the side. Dessert is a richly frostedCoconut Sheet Cake. If you prefer, decorate the top with fresh blueberries and strawberries instead of toasted coconut for a pop of red, white, and blue.