Fast-forward 30 years and Steak 'n' Shake has made the somewhat controversial decision (via Restaurant Business Online) to return to frying fries in beef fat in hopes it will attract new customers.

Fat sandwiches are famously overstuffed with fried foods. Liran Kapoana: You're a college student and you're in the mood for chicken fingers and French fries and mozzarella sticks. You could get ...

Along with adding richness, duck fat even gives fries gamey undertones as well as a subtly sweet edge, not to mention that the so-called liquid gold also has its textural advantages, ensuring ...