Grace Kelmer
Google
They're peanut-free and nut-free (except coconut) which is awesome! The donuts themselves were fine. A little doughy and dense. But the chocolate frosting was the best I've ever had on a donut - very fudgy and dark. If you go, I definitely recommend the chocolate sprinkle.
Located in the student center food court, the atmosphere is weird for a non-Harvard person, so I took mine to a nearby park.