Season: Toss beef strips with oil, cumin, coriander, salt, and pepper.
Dry: Preheat oven to 175°F. Spread strips on a baking sheet and dry in the oven for 1.5-2 hours until tough and chewy. Alternatively, air-dry in a sunny, ventilated area for 1-2 days.
Serve: Serve as a side or condiment with bariis or maraq. (Store in an airtight container.)