What is animal style sauce?
Animal style sauce is a creamy condiment made from Japanese mayonnaise, ketchup, yellow mustard, white vinegar, and diced dill pickles, mimicking the signature spread from In-N-Out Burger's Animal Style menu items.
Can I make the animal sauce ahead of time?
Yes, prepare the sauce up to 2 days in advance and refrigerate in an airtight container. The flavors actually deepen as it sits.
How do I get a crispy cheese crust on the tortilla?
Cook shredded cheese directly on a hot skillet or griddle until melted and golden, then place the tortilla on top to toast and adhere before assembling.
Can I use regular mayo instead of Japanese mayo?
Regular mayo works but Japanese mayo (Kewpie) is thicker and richer, giving the sauce better body and a slightly sweeter taste that's more authentic to the original.
What's the best way to grill the onions?
Cook diced white onions on a hot griddle or skillet with a small amount of water until softened and caramelized, about 5-7 minutes, stirring occasionally.