Yes, because of the dairy, kugel must be kept in the refrigerator. Storing leftover baked kugel: Let cool completely, cover tightly, and refrigerate for up to 3 days.

Do you have to refrigerate kugel?

The kugel can be baked up to 2 days before serving; reheat in a 300°F oven for 15 minutes or so. You can also make the kugel and refrigerate it unbaked for up to a day, and then bake it right before serving.

How do you store kugel?

Make-Ahead Tip: If you want to make this dish beforehand, the kugel and topping can be assembled and stored separately in the fridge up to a day ahead of time and baked before serving. You can also cook the kugel ahead of time and store in your fridge before baking with the streusel topping when you're ready to serve.