The term 'Flaky Treat' is often used to refer to a type of pastry, usually a PIE. The crossword solutions for this term are PIE, which is a three letter word. PIE is a baked dish made from a pastry dough casing that covers or completely contains a filling of various sweet or savory ingredients. It is one of the most popular desserts in many countries and is often served with ice cream or whipped cream.