Blue Cheese Steak Salad with Grilled Peaches

Ingredients (10)

• 1 1/2 - 2 pounds skirt steak or flank steak
• 2 tablespoons Montreal Steak seasoning
• 2-3 peaches, quartered
• 1/4 cup olive oil, divided
• 5 ounces baby arugula
• 1/2 red onion, sliced thin
• 4 ounces crumbled blue cheese
• Olive oil, for serving
• Fresh lemon, for serving
• Coarse sea salt, garnish