Place baking sheet on center rack in oven and bake 25 minutes, or until brown sugar melts and bacon is crisp.
To cook steaks and onions: Make two-zone fire on charcoal grill with coals on one side
and no coals on the other.
Place onions on cool side of grill; flip and rotate every 10 minutes until golden brown,
approximately 25-30 minutes.
When onions are golden and tender, brush with brown butter balsamic mixture.
On hot side of grill, during last 15 minutes of cook time for onions, cook steaks to desired temperature.
