Potato and onion chapatti

1. Cook potatoes in a saucepan of boiling water for 8-10 minutes until just tender. Drain potatoes and let cool, then slice thinly.
   
2. Heat oil and butter together in a large frying pan over high heat. Sauté onion for 3-4 minutes until tender. Add cumin, coriander and garlic. Sauté for 1 minute until fragrant.
   
3. Add potato, carefully stirring until heated through and coated in spice mixture. Preheat oven to slow, 150°C.
   
4. Place chapatti on bench. Sprinkle 3 chapatti with half the cheese, then layer potato mixture evenly over the top. Sprinkle with remaining cheese. Top with remaining chapatti.
   
5. Heat a large, oiled frying pan on medium. Cook a chapatti for 2-3 minutes each side until golden and cheese melts.
   
6. Transfer to a plate. Keep warm in oven. Repeat with remaining chapatti. Cut into wedges and serve warm.