More fat is less food?

How Fatty Foods Curb Hunger:

Fatty foods may not be the healthiest diet choice, but those rich in unsaturated fats - such as avocados, nuts and olive oil - have been found to play a pivotal role in sending this important message to your brain: stop eating, you're full.

The broad point is probably known to you, but read the whole press release, as there's more biochemical detail....