A dietitian has revealed exactly what the ideal lunchbox looks like for school-age children, and the foods you should and shouldn't include as a parent.

The Daily Mail reports Sydneysider Jaime Rose Chambers shares daily pictures on Instagram of what she makes for her own children, and says it doesn't matter if things can feel a bit 'same-ish', as lunch is only one meal of the day and there are plenty of other meals and snacks.

The website says when it comes to lunch for her own two kids, Jaime favours a 'picky' approach - whereby she includes a number of different foods separated into different parts of a container.

'Picky lunches' are ideal for fickle young eaters, Jaime explained, as it's typical at this age that kids want to 'see' the different elements of their meal individually.

What to include: