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