Middle Eastern style cabbage rolls

Name: Middle Eastern-style cabbage rolls
Ingredients: 16 large Savoy cabbage leaves, stems trimmed (430g prepared weight); 1 tbsp rapeseed oil; 2 large onions (360g), finely chopped; 40g pine nuts; 1 tbsp ground cumin; 1 tbsp ground coriander; 1 ½ tsp cinnamon; 150g brown basmati rice; 1 ½ tbsp vegetable bouillon powder; 390g can green lentils, drained; 1 lemon, zested and juiced; 4 tbsp chopped mint; 2 tbsp tahini; 1 garlic clove, finely grated; 6 tomatoes, sliced; ¼ cucumber (150g), sliced; 12 Kalamata olives, pitted and sliced; 1 tbsp chopped mint