The sizzle of oil in a hot kadai, the vibrant dance of colourful vegetables as they meet the heat, the intoxicating aroma of ginger and garlic mingling with earthy spices – this is the magic of a kadai vegetable stir-fry. It's a symphony of flavours and textures, a culinary quickstep that transforms humble ingredients into a dazzling weeknight meal.  Forget those limp, soggy stir-fries...