in a small bowl combine first 4 ingredients, preheat grill to medium-high.
split rolls and grill cut side down lightly, form the beef into 6 patties seasons with salt and pepper, grill 3 minutes per side. top with cheese and grill 2 minutes more. spread sauce on roll bottoms. top with arugula and burger patty, place 2 pickle slices on each patty. peel and slice avocado and place on patties spread cut side of the roll top with sauce place on patties,