Summer is filled with a bounty of vegetables, but sometimes, our summer evenings become so saturated with backyard barbeques featuring burgers and bratwursts that we forget to enjoy them. This recipe for bulgur “burgers” with portabella buns from Gourmet.com is a welcome change to summer’s meat-filled menus.  Combining the fresh flavors of arugula, avocado, bell peppers, zucchini, and red onion, the bulgur salad is a hearty but healthy backyard treat. Sandwiched between portabella caps, peeled to look like grilled burger buns and marinated in a parsley-and-rosemary-infused tomato vinaigrette, this burger is a great way to enjoy the fresh tastes of summer.