The traditional or "classic" ketogenic diet usually involves a ratio of 3 to 4 g of fat to every 1 g of protein plus carbohydrate. This means that about 90% of the calories in the child’s diet come from fat. Some children may need a slightly different ratio. Children on the ketogenic diet have to eat mostly fatty foods, like butter and cream. They cannot eat starchy foods like bread and pasta.
For more information please see Ketogenic Diet for Epilepsy in the Epilepsy Resource Centre.