Heat Tortillas Prior to Use: How to Heat: Pre-heat skillet or griddle over medium/high heat. Heat your tortillas for 20 to 30 seconds per side until piping hot. Wrap hot tortillas in a clean kitchen towel or tortilla warmer to keep them warm throughout your meal. Table Use: If you're planning a Mexican fiesta or meal; have all your Mexican dishes & toppings at the center of the table. Place our heated tortillas in a clean kitchen towel or tortilla warmer on the table, and let everyone make up their own taco. Enjoy! Refrigerate after purchase.