→ For the beef patties
01 -
1 ¼ pounds lean ground beef (90% lean works best)
02 -
1 large fresh egg
03 -
¼ cup dried breadcrumbs (not the fresh kind)
04 -
½ cup yellow onion, finely chopped
05 -
1 teaspoon Italian herb seasoning
06 -
½ teaspoon fine sea salt
07 -
¼ teaspoon freshly ground black pepper
08 -
1 tablespoon good quality olive oil for cooking
→ For the mushroom gravy
09 -
3 tablespoons unsalted butter
10 -
8 ounces fresh mushrooms, sliced (white button or cremini work great)
11 -
1 medium yellow onion, thinly sliced
12 -
1 garlic clove, minced fine
13 -
3 tablespoons all-purpose flour
14 -
1 ½ cups rich beef broth (chicken broth works too)
15 -
2 teaspoons Worcestershire sauce
16 -
½ teaspoon salt, or to taste
17 -
¼ teaspoon ground black pepper
18 -
Fresh parsley, chopped for garnish