Place Grass Run Farms Ground Beef Patties directly on the grill and cook for about 3 minutes on each side or until the internal temperature reaches 160 degrees F or your preferred doneness.
Arrange arugula, tomato, cucumber, onion, avocado, and pepper on 4 serving plates.
Whisk together mayo, pesto, and apple cider vinegar until well combined.
Place burger on top of salad and drizzle with creamy dressing.
Sprinkle salad with parmesan, salt, and pepper to taste and serve.