01 -
Fire up the grill to 450°F. Season the meat, and grill it about 4-5 minutes on each side until it’s 125°F inside. Give it 10 minutes to chill.
02 -
Stir together horseradish, sour cream, dijon, vinegar, worcestershire, chives, and some salt and pepper.
03 -
Slice the baguette, spread a mix of butter, oil, and garlic over it, and bake at 375°F for 5 minutes per side.
04 -
Sauté onions in butter and oil for 15-20 minutes till tender. Sprinkle in the sugar, and cook 3-4 more minutes.
05 -
Lay sauce on the toast, stack steak bits and onions on top, then add balsamic and chives to finish.