Discussions on the sustainability of institutional child nutrition often become reduced to a single consideration: how to minimize food waste. While this is an understandable and important objective, it is not, in itself, a sufficient approach. In preschool and school catering, waste reduction cannot be the sole optimization target, because such a narrow focus can easily produce a system that appears efficient on paper, yet fails in practice from the perspective of the child, the parent, and sustainability as a whole.
The sustainability of child nutrition must be assessed simultaneously through environmental, social, and economic lenses. From an environmental perspective, reducing food waste is undeniably a core objective. From a social perspective, however, the health and well-being of children are at least equally important, including the basic requirement that children actually eat during the school day. From an economic perspective, it also matters whether parents receive genuine value for the money they pay, rather than merely financing a system in which purchased meals ultimately end up in the bin.
For this reason, sustainable institutional catering cannot be organized around a single performance indicator. A model based exclusively on waste minimization can easily become rigid: a single menu, restricted choice, and low adaptability. Yet if a child dislikes the food offered, or rejects it because of its taste, texture, or seasoning, the system fails on three fronts at once. The meal goes uneaten, resulting in environmental loss. The child misses lunch, creating a social and public health concern. The parent receives no meaningful value for money, rendering the model economically unsustainable as well.
The real solution, therefore, lies not in one-dimensional tightening, but in the development of hybrid models. What is needed are child nutrition systems that simultaneously aim to reduce waste, increase actual consumption, and provide families with clearly perceptible value. The essence of a hybrid model is that it is not built around a single supposedly “correct” menu, but instead offers several professionally controlled options. This is not a matter of unlimited freedom, but of intelligent flexibility.
In practice, this means that children should be offered a choice between different menus, or at least between different main meal components. This is not because every individual preference must be accommodated, but because the likelihood of actual consumption must be increased. The purpose of institutional catering is not merely to create a theoretically flawless menu, but to ensure that the necessary nutrients genuinely reach the child. A lunch that remains uneaten has neither nutritional value nor sustainability value.
Another essential component of the hybrid model is the presence of a safety net. If a child still does not consume the selected meal, the system should not effectively collapse to zero. A far more defensible professional approach is one that includes an alternative, simpler, more widely accepted option, and in certain cases allows food, or part of it, to be used later at home by the family, provided this is done in compliance with food safety requirements. From the parent’s point of view, this is particularly important, because it means they are not paying for a completely failed service, but still receiving at least partial value for their contribution.
This point must be emphasized because public discourse often makes the mistake of treating packaging or processing, in themselves, as the primary enemies. Unnecessary packaging should certainly be reduced, and the quality of raw materials is also of clear importance. However, in institutional catering, these issues cannot be evaluated independently of consumption realities. A modest increase in packaging demand does not necessarily impose a greater environmental burden if it significantly reduces food waste, increases the proportion of meals actually consumed, and prevents food from being discarded.
Put differently, the quantity of packaging is not the only relevant indicator; what matters is the efficiency of the system as a whole. What proportion of meals are actually eaten by children? How much food is thrown away? How many children go without lunch? Do families receive real value from the service? If these questions cannot be answered satisfactorily, then the mere reduction of visible waste or plastic use does not, by itself, constitute a genuine sustainability achievement.
For this reason, child nutrition policy cannot stop at the formulation of normative principles; it must focus on designing systems that function in reality. Well-designed hybrid models do not increase waste. On the contrary, they reduce several forms of waste simultaneously. They reduce food waste by increasing the proportion of meals that are actually consumed. They reduce social loss by ensuring that fewer children remain hungry. And they reduce economic loss by ensuring that parents are paying for a service that delivers real utility, rather than a merely administrative arrangement.
Sustainable child nutrition, therefore, is not the art of simplification, but the art of balance. A system must be developed that operates with as little waste as possible, while never losing sight of the most important fact: children must eat. And if this does not happen at first attempt, the system should still be able to create value for the family. This is not a retreat from sustainability, but a more serious and mature commitment to it.
The future of institutional child catering should therefore be based on a hybrid model: multiple options, measurable consumption data, reasonable flexibility, and an assessment of overall system impact. Only in this way can environmental, social, and economic dimensions of sustainability be meaningfully reconciled. Sustainability does not begin when something has merely been produced, but when it has actually been used to beneficial effect.
András Tóth, PhD
