Question: what is the difference between unhulled and hulled sesame seeds?
Answer: The big difference in flavor between hulled and unhulled sesame seeds is the result of oxalates in the hulls. ... As a result of them, unhulled sesame seeds are slightly bitter. Hulled sesame seeds have a milder flavor that is more nutty than it is bitter, which is why they are a popular topping for hamburger buns.