Rinse the chicken breast fillet under cold running water, pat dry. Season the chicken breast fillets with a little salt and pepper. Cut the mozzarella into slices.
Preheat the oven to 180 ° C top / bottom heat, 160 ° C hot air.
Mix the crème fraîche with the cornstarch and place in a baking dish. Wrap the chicken pieces with the breakfast bacon and place in the baking dish. Spread the mozzarella slices on top. Put the tin on the middle rack in the oven and bake for about 30 minutes.