1 12 cups mayonnaise, preferably Best Foods
12 cup sour cream
1 teaspoon Dijon mustard
1 tablespoon lime juice (about 1/2 of a lime)
6 tablespoons authentic wasabi paste
1 teaspoon kosher salt
12 teaspoon fresh ground black pepper
Whisk the mayonnaise, sour cream, mustard, lime juice, salt and pepper in a medium-glass or stainless steel bowl for 1 minute, or until smooth and well blended. Add the wasabi paste and whisk vigorously for 1 minute, until combined. Cover and refrigerate for at least 30 minutes.