They throw every piece of food off the tray

Tray-throwing in the first three years is almost always exploration, communication, or refusal -- sometimes all three in the same meal. The reaction it produces is usually the most interesting part of the experiment, so removing the reaction removes most of the incentive. Teaching a "finished" signal gives the communication something to land in besides the floor. The meal that ends when eating genuinely stops rarely ends with a throw.
When the time is right, say this...

"Food stays on the tray. When you're all done, show me your hands."

Say it once, calmly, at the start of the meal. Not as a warning -- as information about how this works.
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Do this:Watch for the signals that the meal is ending -- slowing down, losing interest, pushing food around -- and end it before the throwing starts. Offer a clear way to communicate "finished" that isn't throwing: a sign, a word, a specific gesture. When a throw happens, remove the tray briefly and without drama: "Looks like you're done." Return it once. If it happens again, the meal is over.

Skip this:Reacting visibly -- gasping, laughing, expressing frustration -- which is the most interesting part of the experiment and the thing most likely to make it happen again. Repeatedly picking food up and replacing it on the tray, which extends the experiment indefinitely. Long explanations about why we don't throw food, delivered to a fourteen-month-old.

Expect this:That removing the tray will produce protest if they weren't actually finished. That is useful information. A child who protests the tray removal had more eating to do. Offer it back once. A child who doesn't protest was done, and the throwing was the communication.

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What's probably happening underneath

The food goes on the tray. The food comes off the tray. Sometimes it is thrown with purpose, sometimes dropped with studied indifference, sometimes launched with visible satisfaction. The floor has become the primary destination for anything you put in front of them, and the meal has become a cycle of offering and retrieving that benefits no one.

Before deciding what to do about it, it helps to know which version of this you're looking at -- because they have different causes and need different responses.

The first version is exploration. In the first eighteen months, throwing and dropping things is not misbehaviour. It is science. Your child has recently discovered that objects fall when released, that the floor is down there, that things make sounds on impact, and that your face does something interesting every time it happens. They are running an experiment. They will run it many times. This version is almost entirely about cause and effect, and the most compelling part of the experiment is usually the reaction it produces.

The second version is communication. A child who has eaten what they want and is now throwing the rest is often doing the only thing available to them to say "I'm finished." The tray is cleared not out of hostility but out of completion. The food that remains is in the way. Throwing is the most efficient available mechanism for removing it.

The third version is refusal. A child who throws food without trying it, or who sweeps the whole tray immediately, is telling you something about the food itself -- the smell, the texture, the appearance -- that arrived before the first bite. This is different from the post-meal clearing, and it looks different if you watch for it: it happens fast, at the start of the meal, with a particular energy.

Most tray-throwing in the one-to-three window contains elements of all three. The question worth asking is not "how do I stop the throwing" but "what is this particular throw telling me."

Probably normal if...Your child is under two and the throwing is exploratory -- accompanied by watching what happens, looking at you for a reaction, or dropping things with apparent curiosity. Your child is eating some food before it starts coming off the tray. The throwing is a feature of highchair time and not a generalised behaviour across all contexts.

Worth watching if...The throwing is happening before any food has been tried, at every meal, for weeks without reducing. Your child seems distressed rather than curious at mealtimes. The pattern is accompanied by strong reactions to food textures, smells, or appearances that suggest the throwing is avoidance rather than exploration.

Get outside help if...Your child's food intake is genuinely limited enough to concern you, and the throwing is part of a broader pattern of food refusal. Significant sensory sensitivity around food -- strong aversions to textures, gagging, refusal of whole food categories -- is worth discussing with a paediatric occupational therapist or dietitian.

What might be making things harder

The reaction is almost always keeping it going in the exploratory phase.

A dropped piece of broccoli that falls silently and is retrieved without comment is a less interesting experiment than one that produces a sharp sound, a visible expression, or a parent who comes close and does something. The reaction does not have to be negative to be reinforcing -- laughter, a surprised face, a resigned sigh -- all of it is feedback. Feedback is what the experiment is designed to produce.

The flattest possible response to throwing -- a brief "food stays on the tray," tray removed, short pause, tray returned -- removes most of the interesting variables from the experiment. The throwing does not produce a result. Experiments that produce no results are abandoned.

The second thing that keeps it going is the length of mealtimes. A young child has a limited appetite and a limited capacity for sitting still. A mealtime that runs longer than that capacity is one where the child has finished eating and now has a tray of food in front of them and nothing to do. Throwing is something to do. Keeping mealtimes short -- ending them when eating has genuinely stopped rather than continuing to offer -- removes the window in which throwing is the only available activity.

The third thing: the food on the tray after the child is full. A child who has eaten what they wanted and still has food in front of them has three options: look at it, touch it, or remove it. Throwing is removal. Ending the meal before the tray becomes a problem removes the problem.

Need more personal support?
Use the Mabel App.

The app builds a story for your child about mealtimes and the table -- one that makes sitting together feel like something ordinary and good. Specific to your child's age and whatever keeps making the meal fall apart.