Spread about 1 tablespoon of mayonnaise on the center of each tortilla. (fieryfoodscentral.com)
A couple of tablespoons of mayonnaise helped, but it was more of an overall moisture - booster, rather than the concentrated pockets I was looking for. (seriouseats.com)
Separately, whisk together 4 tablespoons of the mayonnaise with the mustard, vinegar, garlic powder, salt, and pepper until smooth. (newwavefoods.com)