01 - 
                Preheat oven to 375°F (190°C)
              
              
              
                02 - 
                Sauté onions and bell peppers in olive oil until soft, 5-7 minutes
              
              
              
                03 - 
                Add steak and garlic to vegetables, cook until browned but tender, 4-5 minutes
              
              
              
                04 - 
                Split baguette lengthwise, hollow out some interior. Fill with steak mixture and cheese
              
              
              
                05 - 
                Bake on parchment-lined sheet for 10-12 minutes until cheese is melted and bubbly