Simply add the flour and a pinch of salt to the work bowl of a food processor fitted with the dough blade. (blog.kitchenaid.com)
Put the all - purpose flour, cake flour, and salt in the work bowl of a food processor fitted with a metal blade and pulse a couple of times just to mix. (healthygreenkitchen.com)
Stop and scrape the sides of the food processor bowl with a spatula. (wineandplum.com)