Season the chicken breasts on both sides with salt and pepper.
Next, add the oil to a large frying pan over high heat and heat it until it smokes lightly.
Place in the chicken breasts and cook it for 5 to 6 minutes or until golden brown on the cooked side.
Flip the chicken over, turn the heat down to medium and cook for a further 5 to 6 minutes or until cooked throughout.
With about 2 minutes left in the chicken cooking process place two cheese slices on top of each chicken breasts to help steam and warm up the cheese.
Remove the pan from the heat and sprinkle on optional Parmigiano Reggiano.
Add tomato slices to each chicken breast and season with salt and pepper. Drizzle on optional balsamic reduction.
Garnish with dry oregano and fresh chiffonade basil.
Serve the chicken caprese on a plate or in the pan.
Notes
Make-Ahead: This is meant to be served immediately, but you could leave it in the pan covered in the oven at low temperatures (<200°) for up to 30 minutes.How to Store: Cover and keep in the refrigerator for up to 4 days. Cover and freeze for up to 3 months. Thaw in the refrigerator for one day before reheating and serving. Feel free to discard the tomato and use fresh upon reheating it.How to Reheat: Add the desired amount of chicken caprese to a sheet tray lined with parchment paper and bake it in the oven at 350° for 10 to 12 minutes or until warmed.Substitute the fresh basil with 1 tablespoon of dry basil.If you don’t want to make your own balsamic reduction, you can purchase balsamic glaze from the store.The chicken will be 165° internally when it's done.