Mix burger ingredients in a small
bowl, adding ground beef last. You can use your fingers, but don't overwork the meat.
Shape into 4 elongated patties to fit the bread portions. Cover and refrigerate the
burgers until ready to cook.
Heat 2-sided contact grill to high.
Add burgers and set timer for 4 minutes. Check that they are fully cooked with an
instant-read meat thermometer inserted horizontally. They are done at 160°F. You can
warm the bread and spread with pesto sauce while the burgers are cooking.
Optional garnishes to add color and
flavor include roasted red peppers, black olives, pine nuts, fresh tomatoes, and