Foods that make them chew as compared to gobbling it down will help slow them down a bit. And it has been proven that when we take the time to chew our food that we eat less - or so the weight loss people tell us. Don't cut the food up any smaller than is necessary which makes them take bites and chew. Consider for example regular mac and cheese and cauliflower raw on the side with some dip - dipping takes time and the crunch takes time even though the mac and cheese goes down just as fast.