Instructions: In skillet cook bacon till crisp; drain, reserving drippings. Crumble bacon. Cook onion in reserved drippings till tender. Combine bacon, cooked onion, worcestershire, salt, mustard and oregano. Add ground beef; mix well.

Shape into four 1/2 inch thick patties. Broil 3 inches from heat till desired doneness, turning once (allow about 10 minutes total time for medium). Combine mayonnaise and milk. Top each burger with 1 tomato slice and a few zucchini slices. Dollop burgers with mayonnaise mixture; sprinkle with parmesan cheese. Broil about 1 minute longer. Serve on buns or rolls.

Makes 4 servings.

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