With social gatherings in full swing, my husband has given up trying to get me to properly calculate the amount of food required for guests. I am a little better than I used to be, but it is marginal, shall we say. I totally believe in the “better too much than too little”. That of course pretty much always results in leftovers; some of which can be passed along to guests and others not. I have also done posts in the past about the creative use of leftovers. However, the culinary reality is not all leftovers do work well with reheating and transformation of them can be tricky. One of the most difficult to deal with is a pastry wrapped item or anything with a “crisped” topping. If you reheat in a microwave as most of us do, the topping will be soggy. If you re-heat in the oven, you may be able to preserve the topping by carefully using the broiler, but whatever is underneath might not be warm enough.
In general, I go with a two-step process. I start by taking whatever it is out of the fridge and let it come to room temperature. Yes, I know the Food Police say don’t do that, but so far, illness has not resulted. If it something like a casserole, I gently remove the topping and set it aside. (By the way, this process is likely to detract from aesthetics.) I have the oven at 350, cover the casserole tightly with foil and try a 20-minute reheat. It might take longer depending on the density. Oh, I also spread it out as thinly as possible in the dish to help with reheating time. Then I remove the foil, replace the topping and either lightly dot with butter or sprinkle in Parmesan cheese if it is compatible with the dish. Four to seven minutes under the broiler will usually work, but you do have to watch it because the timing isn’t exact. Re-crisping is good – burned not so much.
Although this process isn’t good for everything, I have had a lot of success with it.