Steak 'n Shake to fry its fries in 100% beef tallow by Feb end, targeting better quality.

Steak 'n Shake plans to switch from using vegetable oil to 100% beef tallow for frying its fries by the end of February, aiming to provide better quality fries. This move follows a customer survey and comes amid debates about the health impacts of seed oils. The change will be implemented across all 436 U.S. locations.