Preheat grill to high + oil grates; cut off the stems of 2 red onions, discard outer skins, then carefully slice onions into ¼ to ½-inch rounds; drizzle with oil + salt/pep; grill 5 min with lid closed, flip + grill 4-6 min until charred + slightly softened

Meanwhile, rub 2 packages of grass-fed ground beef patties (85/15) with 2 tbsp oil + salt/pep; grill 3 min per side with lid closed

Heat skillet over medium; add 2 packages of applewood smoked pork bacon + cook, flipping frequently, until browned + cooked through, 4-6 min

Grill ½ of a package of onebun multigrain until warm + golden; spread 2 tbsp sauce onto each bun; top buns with burgers, onions + bacon; close the lid, that looks so good!