Chipotle Cheesesteaks

Directions

1. 1
   Heat oil in a large cast-iron skillet over medium heat.
2. 2
   Add thinly sliced steaks and pepper-and-onion mixture and cook until heated through, about 5 minutes.
3. 3
   Set aside and keep warm.
4. 4
   For cheese sauce, melt butter in a medium saucepan over medium heat.
5. 5
   Add flour, whisking constantly until bubbly, about 1 minute.
6. 6
   Slowly whisk in milk until thickened, about 3 minutes.
7. 7
   Stir in black pepper, cheese, chipotle peppers, and adobo sauce.
8. 8
   Divide steaks and pepper-and-onion mixture among 4 baguette slices.
9. 9
   Top with cheese sauce and remaining 4 bread slices.