With some willpower and practice, I can now eat nothing but a single bowl of cereal in a 24hr period, including 60m of hard exercise, without anything remotely like hunger pangs. It takes getting used to not constantly rewarding the thought of food with food.
It's sort of a drastic measure, but the only one that has enabled me to lose real weight - plus there are purported health benefits: http://www.mensjournal.com/magazine/the-benefits-of-occasion...