Salisbury Steak Recipe With Onion Soup Mix. For the complete directions just scroll down to the bottom! So delicious, and worth the extra time to create the perfect onion flavor.

This salisbury steak recipe starts with lean ground sirloin and features a mushroom gravy flavored with dry onion soup mix and beef stock. Add milk, egg, panko, ground beef, english sauce, salt and pepper. In a large bowl, beat egg.