For the buns
01 -
4 hamburger buns or brioche buns
02 -
2 tablespoons (28 g) unsalted butter, softened
For the cheesesteak filling
03 -
1 tablespoon olive oil
04 -
1 lb (450 g) ground beef, 85/15 preferred
05 -
1 small yellow onion, diced
06 -
1 green bell pepper, diced
07 -
1 red bell pepper, diced
08 -
1 cup (75 g) sliced mushrooms, chopped
09 -
2 cloves garlic, minced
10 -
2 tablespoons ketchup
11 -
1 tablespoon Worcestershire sauce
12 -
1/2 teaspoon kosher salt, plus more to taste
13 -
1/2 teaspoon black pepper
14 -
1/2 cup (120 ml) low-sodium beef broth
15 -
1 tablespoon cornstarch
16 -
6 slices provolone cheese
17 -
1 tablespoon chopped parsley, optional