Ingredients
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Low-calorie cooking spray
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Onion: ½ small onion, peeled and thinly sliced
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Cheese: 40g reduced-fat mature Cheddar, grated
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The “Kick”: ½ tsp Henderson’s Relish (or Worcestershire sauce) & a pinch of mustard powder
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Binder: 1 medium egg white & 15g skimmed milk
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Seasoning: Sea salt and freshly ground black pepper
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Bread: 1 medium slice of wholemeal bread (approx. 37g)