This is the condiment Mrs. Chiang uses most often to add hotness when she cooks. It is a simple, but powerful, combination of hot red pepper flakes and peanut oil. You can buy commercially prepared hot oil, but it is not really satisfactory, and in any case the home-made version takes all of 3 minutes to prepare. Not only is it easy to make, but it keeps for weeks in a closed container in the refrigerator. The pepper flakes are the kind of crushed chili peppers that you spr
