Divide the dough. Pinch off a small piece of dough (a digital scale is really handy for this).Cover with plastic wrap and let rest 20 minutes. Let rest. Grease a large bowl place the dough inside and turn to coat in the oil.Use a bench scraper to scrape the dough off the counter as you go if necessary. It will be really sticky at first but eventually will form a smooth dough. Turn out onto a unfloured work surface and knead for 5 minutes. Knead. Add water and mix to form a wet dough.It should resemble sand with a few pea-sized pieces of fat. Add shortening. Add vegetable shortening (or whatever fat you are using) and rub it in with your fingers.Mix dry ingredients. Combine flour, salt, and baking powder in a large bowl.