Why You Should Never Store Open Bags Of Flour In Your Kitchen Pantry - Chowhound

Izzetugutmen/Getty Images There are certain foods most people know they have to store carefully. Obviously, people refrigerate dairy, most know a bag of chips will go stale if left open in the pantry, and most acknowledge that even heartier shelf-stable foods like spices will lose their luster in time. But many people tend to think of dry baking ingredients like flour as virtually invincible. In reality, flour is…