Cut your food into smaller portions..it is more filling

This is intriguing.

Multiple Pieces of Food Are More Rewarding Than an Equicaloric Single Piece of Food in Both Animals and Humans

Both humans and animals use number as a cue to judge quantities of food, with larger numbers usually associated with larger quantities. Therefore, a food portion cut into multiple, bite-sized pieces may perceptually look more and therefore elicit greater satiation than the same portion presented as a single, large piece.

So a big 1 lb steak doesn't look as filling as 4 quarterpounders.....

Devina Wadhera, the lead author, suggests that "cutting up energy-dense meal foods into smaller pieces may be beneficial to dieters who wish to make their meal more satiating while also maintaining portion control."