Instructions: In a bowl, beat egg; stir in bread crumbs, half the onion, half the Worcestershire sauce, salt and pepper; mix in ground beef. Form into 4 patties, each 4 inches in diameter.

In a large nonstick skillet, heat oil over medium-high heat; brown patties, about 2 minutes on each side. Transfer to a plate. Add remaining onion, mushrooms, garlic and thyme to skillet; cook, stirring, for 2 minutes or until softened.

Sprinkle with flour; stir in remaining Worcestershire sauce, beef stock and tomato paste. Cook, stirring for 1 minute or until thickened. Return patties to skillet, reduce heat, cover and simmer, turning once, for 10 minutes or until patties are no longer pink in center.

Yield: 4 servings

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