To participate in a Sidekick Challenge,
1. Open Sidekick app
2. Click on Cook tab > Click on 'Challenges'
3. Scroll down and click on 'View all' beside Challenges
4. Scroll through all the challenges available, click on 'Join' on any of the challenges that you wish to take part in
5. To know more about any of the challenges, click on the challenge and watch the introductory video present, and you can also join the challenge after by clicking on 'Join challenge'