→ Meat Base
01 -
1 pound lean ground beef
02 -
1 tablespoon olive oil
03 -
1 small onion, finely diced
04 -
1 green pepper, diced
05 -
4 cloves garlic, minced
→ Sauce
06 -
1 cup reduced sodium beef broth
07 -
1 tablespoon cornstarch
08 -
1½ teaspoons beef bouillon
09 -
2 tablespoons ketchup
10 -
2 tablespoons Worcestershire sauce
11 -
1 teaspoon Dijon mustard
→ Seasonings
12 -
1 teaspoon each dried oregano and parsley
13 -
½ teaspoon each salt, pepper, dried basil, paprika
14 -
¼ teaspoon red pepper flakes
→ Assembly
15 -
6 brioche hamburger buns
16 -
¾ cup freshly grated sharp cheddar cheese
17 -
6 slices provolone cheese
18 -
Softened butter or mayo for brushing (optional)