Intermittent fasting, which refers to skipping one or more meals a day, can help decrease overeating.
One way to reduce the urge to eat more than required is to keep drinking water regularly, that could decrease the need to eat food.
Reducing the pace of eating any meal could help decrease the urge to eat after a meal.
Another way to decrease overeating is to have all the food in one serving and not eating any meal for a second serving.
Eating foods that contain fiber such as almonds regularly can decrease the urge to overeat.
Reducing the eating of foods with added sugars and salt could help decrease the need to overeat.
This might sound like an unrelated way to reduce overeating, but having a distraction-free meal experience could decrease the need to eat later.