The secret recipe for fry sauce: Three parts mayonnaise, two parts ketchup, a quarter teaspoon of pickle juice. Mix the pickle juice in the ketchup first, then add the mayo. Otherwise the mayo will curdle.These aren’t exact ratios. You want it a nice salmon pink color.The original fry sauce was invented in the 1950s at a Utah-based fast-food chain called Arctic Circle.
The secret recipe for fry sauce: Three parts mayonnaise, two parts ketchup, a quarter teaspoon of pickle juice. Mix the pickle juice in the ketchup first, then add the mayo. Otherwise the mayo will curdle.These aren’t exact ratios. You want it a nice salmon pink color.The original fry sauce was invented in the 1950s at a Utah-based fast-food chain called Arctic Circle.