Classic Salisbury Steak with Onion Gravy and Beef Patties - cookrisp

Ingredients

• 1 lb ground beef
• 1/3 cup bread crumbs
• 1/4 cup milk
• 1 egg
• 1 tbsp ketchup
• 1 tsp Worcestershire sauce
• 1/2 tsp onion powder
• Salt and pepper to taste
• 1 tbsp olive oil
• 1 tbsp butter
• 1 small onion, thinly sliced
• 2 cups beef broth
• 2 tbsp all-purpose flour