September's Steak Sandwich | Recipe Reader

Ingredients

• 1 (16-ounce, 1-inch-thick) rib-eye steak or New York strip steak, boneless
• kosher salt, to taste
• black pepper, to taste
• 2 tablespoons olive oil or avocado oil, divided
• 1 red bell pepper, thinly sliced
• 1/2 yellow onion, thinly sliced
• butter, to taste, softened
• 4 hoagie rolls, split
• 4 slices provolone cheese
• chimichurri, to taste, homemade or store-bought
• 1 cup arugula