Need inspiration for a side dish to serve over the holidays? You can tick off all the checkboxes with this one. Pretty? Check. Tasty? Check. Simple to make? Check.Can this dish be cooked ahead? Yes, a day ahead. But if you do, try to undercook the vegetables for a minute or so. That way, when you reheat them, they won't turn soggy.What's the best way to reheat the dish? Just toss for a few minutes in a saute pan.