One parent has rules for her children about healthy eating. These include no TV in the bedroom and no eating in front of TV. She doesn't buy soft drinks, sugared cereals, or packaged sweets. (The kids soon learn to bake their own cupcakes.)
One of her rules is “one dessert a day.”Dessert includes any food that provides calories but no meaningful nutrition — so that includes chips, French fries, cakes, candy, ice cream, etc. This way there is no food off limits, but the concept of moderation has a real, understandable definition, and my kids know what a moderate portion is of these foods and how to work them into their every day diet"
Read more about these food rules, Washington Post, 4 May 2012