Ingredients
1/2 cup mayonnaise1 tablespoon maple syrup1-1/2 teaspoons prepared mustard1/2 cup crumbled Gorgonzola cheese1/4 teaspoon salt1/4 teaspoon pepper1 pound ground lamb1 medium onion, halved and sliced2 tablespoons olive oil, divided2 teaspoons butter, divided2 tablespoons balsamic vinegar8 Hawaiian sweet rolls, halvedFresh arugula, optional
Preparation
In a small bowl, combine the mayonnaise, maple syrup and mustard; set aside. In a large bowl, combine the cheese, salt and pepper. Crumble lamb over mixture and mix well. Shape into eight patties.
In a large skillet, saute onion in 1 tablespoon oil and 1 teaspoon butter until tender. Add vinegar; cook 1 minute longer. Remove from the pan and keep warm.
In the same skillet, cook patties in remaining oil and butter over medium heat for 3-4 minutes on each side or until a meat thermometer reads 160° and juices run clear.
Spread mayonnaise mixture over roll bottoms; top each with a burger and onion mixture and if desired, arugula. Replace roll tops.
