Ocado British Red Potatoes With their distinctive blemish-free red coloured skins, these red potatoes are firm to the touch. Can be used as an all rounder while also making great mash. These potatoes are a source of Potassium and Thiamin (B1). Serving Suggestion For a creamy potato mash, boil, drain and mash. Add a tablespoon of milk with a knob of butter and whisk with a fork. Season to taste with salt and pepper and serve.