Lamb Moussaka | Slimming & Weight Watchers Friendly

Name: Lamb Moussaka | Slimming & Weight Watchers Friendly
Prep time: 20 min
Cook time: 1 h 20 min
Total time: 1 h 40 min
Cuisine: European
Ingredients: 500 g diced lamb (all visible fat removed and diced quite small); 3 aubergines (sliced lengthways); 1 large courgettes (diced); 1 large onion (chopped); 2 cloves garlic (chopped); 1 tin chopped tomatoes; 3 tbsp tomato puree; 1 tsp granulated sweetener; 2 tbsp red wine vinegar; 1 bay leaf; 1 tsp oregano; 1 pinch cinnamon; low calorie cooking spray; sea salt; freshly ground black pepper; 500 g fat free natural yoghurt; 2 eggs; ½ tsp mustard powder; 120 g reduced fat Cheddar