what fast food restaurants serve keto food?
['6 fast food restaurants with low-carb and keto-friendly options. Here are some top keto-friendly and low-carb options at popular fast-food and fast-casual chains. ... ', 'McDONALDS. ... ', 'BURGER KING. ... ', "WENDY'S. ... ", 'TACO BELL. ... ', 'CHIPOTLE. ... ', 'PANERA BREAD.']