Preheat oven to 350. Toast sesame seeds for 5-10 minutes, tossing the seeds frequently with a spatula. Do not allow to brown. Cool for 20 minutes. Pour sesame seeds into food processor and add oil. Blend for 2 minutes. Check for consistency. The goal is a thick, yet pourable texture. Add more oil and blend until desired consistency.
Tahini should be stored in the refrigerator in a tightly closed container. It will keep for up to 3 months.
Tahini is a Middle Eastern pantry essential. It is the foundation for amny Middle Eastern recipes like hummus and baba ghanoush.