Mini Philly Cheesesteaks

By Chef John

4.69 / 5

30min

30min

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2 tablespoons butter or as needed
2 tablespoons all-purpose flour or as needed
1 cup cold milk
2 ounces shredded provolone cheese or more to taste
1 pinch ground nutmeg
1 pinch cayenne pepper
to taste salt
1 (12 ounce) skirt steak
salt and freshly ground black pepper to taste
3 tablespoons olive oil divided, or as needed
¼ cup water
⅓ cup diced onion
⅓ cup diced sweet peppers
2 baguettes or as needed, cut into 48 1/2-inch thick slices
¼ cup shredded provolone cheese or as needed