Veggie spiral pie with spiced tomato sauce & chopped salad

Name: Veggie spiral pie with spiced tomato sauce & chopped salad
Prep time: 50 min
Cook time: 1 h 30 min
Total time: 2 h 20 min
Cuisine: Middle Eastern
Ingredients: 1 tbsp cumin seeds; 1 tbsp coriander seeds; 3 tbsp olive or rapeseed oil; 2 onions halved and thinly sliced; 100g green lentils; 300g basmati rice; 4 garlic cloves crushed; 1 nutmeg; ½ tsp ground turmeric; ½ tsp allspice; 400g spinach; small bunch dill finely chopped; small bunch parsley finely chopped; small bunch mint finely chopped; zest 2 lemon plus juice of 1; 200g pack feta (check pack label to find a vegetarian brand), crumbled; 2 x 270g packs filo pastry (12 sheets in total); 100g butter melted; 1 egg beaten; 1 tsp black sesame seed (or regular sesame seeds); Greek yogurt to serve; 2 x cans chopped tomato; 1 tbsp red wine vinegar; 2 tsp sugar (any will do); 1 tsp ground cinnamon; 2 tbsp olive oil; 1 cucumber; 1 onion finely chopped; 2 large tomatoes finely chopped; handful parsley chopped