The Burger Lab: The Ins-n-Outs of an In-N-Out Double-Double, Animal-Style | Serious Eats
Order In-N-Out's Double Double (two patties, two slices of cheese) Animal Style and the Double Double is brought to a whole new level: The onion slice gets replaced with a dollop of a sweet, darkly caramelized chopped onions, an extra stack of pickle chip...