Chowhound on MSN

The Secret Menu Milkshake You Need To Order At In-N-Out (Try It Once, Thank Us Later)

Popular burger chain In-N-Out has a pretty limited milkshake menu, but this option from the secret menu is absolutely ...
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In-N-Out's Secret Menu Flying Dutchman, Explained

It's well known that In-N-Out Burger's simple menu (which only lists three styles of burgers, fries, and drinks) is deceptive and that a wide secret menu is available to order from. In-N-Out keeps up ...