What's Cooking with Jamie Oliver is a cooking simulation game for the Nintendo DS that blends interactive cook-along sessions with a virtual cookbook. The genre is a blend of simulation and educational gaming. Players can try their hand at preparing a variety of recipes developed by celebrity chef Jamie Oliver, engage in cooking challenges, and use the DS touchscreen to chop, fry, and mix ingredients. The game also allows users to create a shopping list, adjust recipes to their taste, and even add their recipes, transforming the DS into a portable culinary assistant.