At a price of just $1 each, the Double Stacked Tacos came in 3 varieties. The Cool Habanero Double Stacked Taco features your standard crunchy taco with seasoned beef, sour cream, lettuce and cheese inside a soft flour tortilla with melted cheese and new habanero sauce in between the soft tortilla and inner crunchy taco shell. The Cheddar Crunch Double Stacked Taco is a crunchy taco with seasoned beef, crunchy red tortilla strips, lettuce and cheese inside a soft flour tortilla with melted cheese and nacho cheese sauce in between the soft tortilla and inner crunchy taco shell. The Sweet & Spicy Double Stacked Taco features a crunchy taco with seasoned beef, new sweet chili sauce, lettuce and cheese in a soft flour tortilla with melted cheese and new habanero sauce in between the soft tortilla and inner crunchy taco shell.