Veggie Moussaka

Name: Veggie Moussaka
Cuisine: European, Mediterranean, Greek, Eastern European
Ingredients: 1 1/2 tbsp olive oil; 1 large onion, chopped; 2 cloves garlic, crushed; 1 carrot, finely diced; 2 x 400g tins green lentils, drained; 200ml vegetable stock; 400g chopped tomatoes; 1 tbsp tomato purée; 2 tsp ground cinnamon; Small bunch of oregano, chopped; 1 bay leaf; 1 tbsp lemon juice; 2 aubergines, sliced; 300ml 0% Fat Natural Yogurt; 1 egg; 50g vegetarian (non-Parmesan) hard cheese, grated