Be sure to come right and specifically ask about dairy and eggs as that is what will make the difference on how much of the regular daycare diet the child can eat. If they are on the list then a scrambled egg or omelette can be used as his protein for the meal. IF they are not allowed then much of the other foods you normally serve will also be off the menu for him because they contain a dairy product (don't forget casein and whey) or egg product.

For eggs in baking there are substitutes you can use to have the same effect but not for eating of course.