They are packed with high quality protein without the bad saturated fat found in red meat. Protein is more difficult to be broken down by the digestive system. So it burns more calories than carbs.
Oats are rich in fiber, which satiates your appetite easily in the morning. It also contains resistant starch, which can enhance metabolism and burn fat.
They are very creamy fruit packed with good protein and fiber. Half of an avocado can be enough to quiet hunger. They also contains mononsatrated fat that helps melting your belly fat away.