Can this Kugel be cooked ahead, frozen, and then reheated day of?

Was wondering if this kugel can be frozen and then reheated on day of use. Also, can I use half Broccoli and half Cauliflower? Thanks for posting this recipe. I am trying it tonight, but at about 1/4 the quantities listed here. I did add pepper to mine, just for flavoring. Thanks again