Here’s how suddenly trendy beef tallow compared to canola oil in a blind french fry taste test. ... (For our test, the potatoes were double-fried, first at 325, then at 350.) ...

"I usually thrice cook my French fries," Thivet explained. "First at 225 degrees Fahrenheit to start cooking the inside of the fries, then 275 degrees Fahrenheit to start to crisp the fries.