From Wikipedia:
What's Cooking? with Jamie Oliver, sometimes known as What's Cooking? Jamie Oliver, is a cooking video game for the Nintendo DS narrated by celebrity chef Jamie Oliver. It was developed by German studio keen games GmbH & Co. KG and published by Atari Europe.
The game features several recipes, each listing preparation times, ingredients and courses. In addition, What's Cooking? can be used as a shopping list to remind players what items to purchase, and it can act as a timer to count down from a specified time and make an audible sound when it is done.