Ocado 4 Steam Bags Cauliflower Rice. 4 steam bags containing frozen chopped cauliflower. With each bag containing 1 of your 5 a day, these quick and convenient steam bags are an easy way to serve up a low-carb alternative to rice, without worrying about waste. There's no need to spend time defrosting as you cook straight from frozen and they make a great accompaniment to your favourite meat, fish or meat-free main. Top Tip! For added flavour, try seasoning the cauliflower rice with herbs and spices or sautéing with garlic and onions before serving. Want to fill your freezer with more enticing essentials? Search 'Ocado frozen' for lots of inspiration including frozen fish, fruit and veg and chopped herbs and spices.