Lamb Moussaka

Ingredients

• low calorie cooking spray
• 2 tbsp red wine vinegar
• sea salt
• ½ tsp mustard powder
• 500 g diced lamb
• 1 bay leaf
• 1 tin chopped tomatoes
• 500 g fat free natural yoghurt
• 1 large onion
• 2 eggs
• 1 tsp oregano
• 1 large courgettes
• freshly ground black pepper
• 3 tbsp tomato puree
• 1 pinch cinnamon
• 2 cloves garlic
• 1 tsp granulated sweetener
• 3 aubergines
• 120 g reduced fat Cheddar