A way to cut down on the amount of food you consume is the Twenty Minute Rule. Aaron Marino of alpha m. talks about slowing down when you eat.
Stomach to brain registry takes about 20 minutes to acknowledge that you are full. If you slam food, you will end up stuffed and ready to pop. This is not effective for weight loss or maintenance. Prevent this by slowing down! You will aid in digestion by chewing more and consume less.