Camp Chef VersaTop 250 Single Burner Portable Flat Top Propane Gas Grill - FTG250. FTG250. Portable Gas Griddles & Flat Top Grills. The Camp Chef VersaTop offers a table-top version of the flat top grill, this portable grill is powered by a single 15,000 BTU rated propane gas burner and includes a 247 square-inch flat top griddle with a non-stick, pre-seasoned finish. The included griddle can also be swapped out to use most Camp Chef 14-inch cooking system accessories.