Instructions
Preparation
1
Bring steaks to room temperature
2
Season aggressively with kosher salt and cracked black pepper
Caramelize Onions
3
Melt 1 tablespoon butter in a skillet over medium-low heat
4
Add sliced onions with a pinch of salt and cook 18-20 minutes, stirring occasionally
Sear Steaks
5
Heat a cast iron skillet over high heat until smoking
6
Add oil, then steaks, and sear 3-4 minutes per side for medium-rare
Assemble
7
Toast the bread with pan drippings and garlic butter
8
Layer steak slices on the bread, top with caramelized onions, then provolone