Make-Ahead and Storage:
If you want to make this one day in advance, make it up through the step of adding swiss cheese slices to the top of the ham. Cover the chicken breast with plastic wrap and refrigerate. Then, when you are ready to bake the chicken, add the bread crumbs with butter and bake.
Storing Your Leftovers: You can store leftovers, for up to 3 days. Chicken should be covered and refrigerated. Reheat chicken by baking it covered with aluminum foil
Can I Freeze Chicken Cordon Bleu?
You can absolutely freeze cordon bleu chicken.
Freezing: Put the prepared chicken breasts on a small baking sheet. Make sure they have space between them so they don’t freeze stuck to each other. After a couple of hours, place them into a gallon freezer bag and freeze for up to 2 months.
To reheat the frozen chicken: Bake it low and slow. Instead of 375 degrees, bak it at 350 degrees and add another 20 minutes for thawing. Be sure the chicken is cooked through before serving.
How Do I Know if my Chicken Breasts are Fully Cooked?
The temperature of the center (the thickest part) of your chicken breast should read 165 degrees and juices should run clear
What is a Good Substitute for White Cooking Wine in the Sauce?
If white cooking wine is too strong for you then try using white wine vinegar, apple cider vinegar, chicken broth, or apple cider
Does the Alcohol that is in Cooking Wine Burn off while you Cook It?
Yes, alcohol should evaporate when heated to 172 degrees. Any alcohol should burn off when you reach a temperature for simmering or boiling