For the meatballs: • small onion (120 grams after peeling) roughly chopped • green chilli pepper stem removed and roughly chopped • mint leaves optional • crushed garlic • crushed ginger • ground beef • chickpea flour also called gram flour or besan • egg lightly whisked • freshly squeezed lemon juice • each(cumin powder, coriander powder, turmeric powder, black pepper powder, red chilli powder, and garam masala) • salt •