1.Place zucchini in strainer; squeeze excess water from zucchini. Combine zucchini, breadcrumbs, cheese, green onion, egg white and parsley in medium bowl; season. Shape mixture into two patties.
2.Spray medium frying pan with cooking oil; cook brown onion, stirring, about 10 minutes or until browned lightly. Remove from pan.
3.Cook patties in same pan until browned both sides and heated through.
4.Sandwich lettuce, patties, onion, beetroot and relish between bun halves.
Use disposable gloves when handling beetroot to stop it staining your hands. If taking to work, pack patties, vegies, bun and relish separately; reheat the patties in a microwave oven on high (100%) for about 1½ minutes before assembling.
Note
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