Quick Weight Loss Diet: Slow Cooker Recipes and Tasty Green Smoothies The Quick Weight Loss Diet book is about two distinctive diets – the Green Juice Diet and the Slow Cooker Cookbook. Each of these weight loss plans offers diet meal plans to help you plan the menu for a couple of weeks without repeating a recipe. You can use the juicing diet in conjunction with the slow cooker section to have a big selection in weight loss food. The best weight loss program is simple because it helps you to have a healthy weight loss. If you do it right it can be a fast weight loss diet as well. This weight loss plan incorporates the two diets to help you get a good jump start with juicing then advancing on to slow cooker meals and juicing in between.