Napoleonka - kremówka cake - cream pie - puff pastry - whipped cream
For those who seek the secret knowledge, here are some stats
PHOTO TAKEN WITH:
MODEL: Canon EOS 5D Mark IV
APERTURE: f/5.6
LENS: 70 mm
EXPOSURE: 1/200 s
ISO: 160
Original size: 4480 x 6720 px