For many of us, Memorial Day weekend marks the beginning of summer. What better way to celebrate than by firing up the grill and enjoying a meal outdoors? When I open the lid of the hot grill and the heat hits my face, it’s right at that moment that I know summer is here. For this glorious afternoon, I’ve created a menu that needs a bit of preparation in the kitchen, but then is finished on the grill in under 15 minutes. While my friends are sipping sangria, I can handle the grilled items—and show off my grilling prowess—and have everything ready to go on the table. On the Menu I start with a favorite herbed potato salad, prepared in the morning. The potatoes are tossed with good olive oil, garlic, and masses of fresh herbs while still warm, so they absorb all those wonderful flavors, and then chilled. Served …