The term 'Asian Food Staple' can be summarized by two crossword solutions: RICE (4 letters) and SOYBEAN (7 letters). RICE is a grain that has been cultivated for thousands of years in Asia, and is a staple food in many countries. SOYBEAN is a legume native to East Asia, and is widely used in Asian cuisine, often in the form of soy sauce, tofu, and tempeh. Both RICE and SOYBEAN are important components of the traditional Asian diet.