Peel and very finely slice the onion and garlic, deseed and finely slice the chilli, finely chop the coriander stalks, reserving the leaves. Coarsely grate in the paneer. Deseed and coarsely grate the squash (reserving the seeds for later), then peel and finely grate in the ginger. Sprinkle in 100g of the flour and a pinch of sea salt and black pepper, then squeeze over half of the lime juice, mix in the curry paste and 25ml of water. Drizzle 2 tablespoons of olive oil into a large non-stick frying pan on a medium-low heat, then roughly divide the mixture into 4 portions and place in the pan, flattening them out into rough rounds about 2.5cm-thick (don’t worry about wispy edges, it’ll mean bonus crunch later!). Fry for 16 minutes, or until golden and cooked through, turning every few minutes. Meanwhile, mix the remaining flour with 150ml of cold water, 1 teaspoon of oil and a pinch of salt to form a dough. Split the dough into 4 equal pieces, then roll into balls and stretch them with your hands or roll out with a rolling pin to about ½cm thick. Place a large non-stick frying pan on a medium-high heat with 1 teaspoon of oil and, as it heats up, fry the reserved squash seeds until crispy, then remove to a bowl and sprinkle over a small pinch of salt. One at a time, cook the flatbreads in the pan for 2 to 3 minutes on each side, or until golden and puffed up. Wrap in a clean tea towel to keep warm. Pound most of the coriander leaves to a paste in a pestle and mortar, muddle in the yoghurt, then season to taste. Very finely shred the lettuce and puff up the dry poppadoms in the microwave for 30 seconds. Divide the coriander yoghurt between the flatbreads, then break over the poppadoms. Place a crispy bhaji on top of each flatbread, add a dollop of mango chutney, a few coriander leaves and the lettuce. Sprinkle over the crispy squash seeds and serve with lime wedges, for squeezing over.