Bobby Flay Salisbury Steak with Mushroom Gravy - My Home Made Recipe

Ingredients

• 1 lb (450 g) ground chuck
• 1 large egg, lightly beaten
• 2 tablespoons grated Parmigiano Reggiano
• 2 tablespoons plain breadcrumbs
• 1 teaspoon garlic, crushed to a paste or finely grated
• 1 teaspoon kosher salt, plus more for seasoning
• 1/2 teaspoon freshly ground black pepper, plus more for seasoning
• 2 tablespoons canola oil
• 12 cremini mushrooms, stemmed and quartered
• 1/2 white onion, thinly sliced
• 1 tablespoon tomato paste
• 1 teaspoon Worcestershire sauce
• 1 cup (240 ml) beef broth
• 2 tablespoons half-and-half
• 2 tablespoons chopped fresh flat-leaf parsley