Place flour salt and baking powder in the bowl of a stand mixer with dough hook attachment and mix for 30 seconds on low speed. (sammyandbella.com)
For the pastry, mix the flour, salt, and baking powder in the bowl of a food processor fitted with a metal blade. (foodnetwork.com)
To make the crust, combine flour, butter, icing sugar and cocoa powder in the bowl of a food processor and pulse until mixture resembles fine breadcrumbs. (easydessert.org)