Complex sentence: A cruffin is a hybrid of a croissant, a popular French pastry, and a muffin, first known to be created by Kate Reid of Lune Croissanterie in Melbourne, Australia in 2013.
Split into simpler sentences: A cruffin is a hybrid of a croissant, a popular French pastry, and a muffin. The first known Cruffin to be created was by Kate Reid of Lune Croissanterie in Melbourne, Australia in 2013.