The $5 Chalupa Cravings Box and the Double Berry Freeze both will drop on Dec. 21. The Chalupa box includes a Beef Chalupa Supreme, a Beefy 5-Layer Burrito, a classic crunchy taco and cinnamon twists. The Double Berry Freeze combines Blue Raspberry and Wild Strawberry. A regular size is $3.29 ($1 during Happier Hour, 2-5 p.m.) and a large is $3.49.