The Cookie Diet is a popular weight loss diet. It appeals to customers worldwide who want to lose weight quickly while still enjoying sweet treats.
It has been around for over 40 years and claims to help you lose 11–17 pounds (5–7.8 kg) in one month.
The diet relies on replacing breakfast, lunch, and snacks with nine Dr. Siegal brand cookies every day. In addition, you eat one meat and vegetable dinner.