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

Ingredients

• 1.5 lbs ground beef.
• 1/2 cup breadcrumbs.
• 1/4 cup minced onion.
• 2 tbsp olive oil.
• 2 cloves minced garlic.
• 1 large egg.
• 2 tbsp Worcestershire sauce.
• 1 tsp Dijon mustard.
• Salt and pepper to taste.
• 2 tbsp unsalted butter.
• 8 oz cremini mushrooms.
• 2 tbsp all-purpose flour.
• 2 cups beef broth.
• Chopped parsley (optional for garnish).