→ Beef Filling
01 -
450 g ground beef
02 -
1 tablespoon olive oil
03 -
1 small onion, finely diced
04 -
1 green bell pepper, finely diced
05 -
100 g mushrooms, chopped
06 -
2 cloves garlic, minced
07 -
2 tablespoons ketchup
08 -
1 tablespoon Worcestershire sauce
09 -
1 teaspoon Dijon mustard
10 -
240 ml beef broth
11 -
2 teaspoons cornstarch
12 -
2 teaspoons water
13 -
Salt and black pepper, to taste
→ Cheese Sauce
14 -
1 tablespoon butter
15 -
1 tablespoon all-purpose flour
16 -
240 ml whole milk, warmed
17 -
110 g provolone cheese, shredded
18 -
Salt and black pepper, to taste
→ Assembly
19 -
4 brioche buns, split and toasted
20 -
Provolone cheese slices, optional, for serving