Hey mom , dont worry. there are different ways to trick a 3 yr old. But it requires patience and also wiliness of the child to follow a different routine. Here are a few ways which can definitely help you to mold the habit. Gently encourage trying new foods and eating more food (amounts and types). Model! .. Offer a variety of options during meals or snacks (2-3 different foods is a good amount). Have meals together as a family as much as possible. Keep mealtime conversation positive or neutral. Drink your veggies. You don't love spinach, but you do love fruit. ... Swap meat out of burgers. ... Sneak in healthy grains. Improve your pasta dish with vegetables. Experiment with prep, involve him in the food prep. I hope this helps