The iconic dessert was a happy accident born in the kitchen of wd~50 when there wasn’t much in the fridge. When Tosi served the simple, gooey pie (inspired by southern Chess Pie) at staff dinner, she never anticipated the reaction it got — and a signature pie was born! With a sticky, buttery, salty-sweet filling in a hearty oat cookie crust, Milk Bar Pie has been a Tosi favorite since the beginning