Paris Brest / French Brest with Pistachio Mousseline

Selam Everybody... Merhaba From Turkey.. (^,^) Choux pastry, or pâte à choux, is a light pastry dough used to make profiteroles, croquembouches, éclairs, French crullers, beignets, St. Honoré cake, and gougères. It contains only butter, water, flour, and eggs. Like Yorkshire Pudding or David Eyre's pancake, instead of a raising agent it employs high moisture content to create steam during