Chivito Steak Sandwich Recipe with Grilled Onions

Ingredients

• 1¼ pound thick-cut sirloin steak, trimmed of excess fat
• Salt and pepper, to taste
• 6 slices of bacon
• 1 large onion, peeled and sliced into ¼-inch rounds
• 6 slices of Monterey Jack or provolone cheese
• 6 long sandwich rolls, split and toasted
• Mayonnaise
• Chimichurri sauce
• Lettuce
• Tomato
• 2 hard-boiled eggs, cut into rounds
• Outdoor Grill
• Large cast iron skillet or cast iron grill plate
• Meat pounder
• Metal spatula