Fortune cookies are uniquely-shaped, crisp cookies made from a simple recipe of flour, sugar, oil and either vanilla or almond flavoring. They are called fortune cookies, because each cookie breaks open to reveal a small slip of paper â a â fortune  â with a prediction for the future, a wise saying, a Chinese word or phrase with its translation, or even a list of lucky numbers.
When 97% of the caffeine has been removed only (1.36% / 97% =) 0.0408% of the coffee caffeine by weight. About 4/100ths of 1%. At this level it is labeled âdecaffeinatedâ. How roasters label their products is another matter.
Ask WebMD. However, decaf coffee does have substantially less caffeine than your normal cup of joe. For instance decaf coffee that is decaffeinated through the Swiss Water Process is 99.9% caffeine free. While .1% caffeine most likely isn't enough to keep you up at night that still doesn't answer our question.