FAT Chips, Chris Clasby Beef Tallow vs. Vegetable Oil: Why We Fry FAT Chips in Tallow Short answer. We fry FAT Chips in 100% beef tallow because it is highly resistant to "oxidative rancidity" and it tastes better. Tallow is mostly saturated and monounsaturated fat, so it is far more s... Jun 27, 2026