Use the scraper with paper towels to carefully clean out the grease trough. IIf there is a large quantity of grease in the trough, allow the griddle to cool down prior to cleaning the grease trough. Then carefully pick up the griddle and dump the grease in a coffee can or other container for proper disposal.
https://www.amazon.com/SQ180-Stainless-Universal-Griddle-Tailgating/dp/B000HQHBSQ

