The product is a good choice for food that needs long simmering hours on the stove, such as rice, beans or stock. Step 1: First boil the food on the stove and then put the whole pot with the lid on into the eco-cooker. Step 2: Zip it and leave there until the end of the cooking process. Step 3: Check the food anytime you want and enjoy it when you feel satisfied with the texture. Advantages: 1. Saves money by cutting the cost on energy bills. 2. Environmental friendly, reduces the use of electricity. 3. Gives you extra free time since cooking does not require supervision.