Detailed Instructions: Given a paragraph about cooking, and a set of conversational question answers about the paragraph, generate a relevant question to the topic of the paragraph. The paragraph has the prefix 'CONTEXT:'. Each conversation question has a prefix 'Q:' followed by the answer prefix 'A:'.
Q: CONTEXT: Rendered pork fatmanteca de cerdois our preferred cooking fat throughout this book. Lard has a relatively high smoke point so it is ideal for frying, and it provides a richness, dimension, and distinctly Mexican flavor that you just can't replicate with using other fats...Vegetable oil is a fine substituteHowever specific recipes may really need lard: Note that the flaky texture and slight richness that make flour tortillas so compelling are derived from lard. I've found that vegetable shortening is a poor substitute here...Source: Alex Stupak and Jordana Rothman. "Tacos: Recipes and Provocations". <sep> Q: Why use lard in tortilla dough? A: the flaky texture and slight richness that make flour tortillas so compelling are derived from lard
A:
why does the lard cause flaky texture