White pepper is a spice made with the seed of the ripe fruit of the black pepper plant, with the thin darker-coloured skin of the fruit removed.
Ground white pepper is commonly used in Chinese, Thai, and Portuguese cuisines. It finds occasional use in other cuisines in salads, light-coloured sauces, and mashed potatoes as a substitute for black pepper, because black pepper would visibly stand out. However, white pepper lacks certain compounds present in the outer layer of the fruit, resulting in a different overall flavour.