Classic Homemade Salisbury Steak Rich Mushroom Gravy

Ingredients

• 1 ½ lbs (680g) ground beef (80/20 blend recommended)
• ½ cup (50g) breadcrumbs, plain
• 1 large egg, lightly beaten (about 50g)
• ¼ cup (60ml) milk
• 2 tablespoons (30ml) Worcestershire sauce
• 1 tablespoon (15ml) Dijon mustard
• 1 teaspoon (5ml) garlic powder
• ½ teaspoon (2.5ml) onion powder
• ½ teaspoon (2.5ml) smoked paprika
• Salt and freshly ground black pepper to taste
• 2 tablespoons (30ml) vegetable oil, for searing
• 2 tablespoons (30g) unsalted butter
• 1 medium yellow onion, finely chopped (about 150g)
• 8 oz (225g) cremini mushrooms, sliced
• 2 cloves garlic, minced
• 2 tablespoons (15g) all-purpose flour
• 2 cups (475ml) beef broth
• 1 tablespoon (15ml) soy sauce (low sodium)
• 1 teaspoon (5ml) Worcestershire sauce
• ¼ teaspoon (1.25ml) dried thyme
• 2 tablespoons (30ml) heavy cream (optional, for extra richness)
• 1 tablespoons Fresh Parsely for garnish (optional)