What main ingredient is found in a Spicy Potato Soft Taco?

The primary ingredient in a Spicy Potato Soft Taco is indeed potatoes. This dish features seasoned, crispy potatoes as its main filling, which gives it a distinct texture and flavor profile. The potatoes are typically seasoned with a blend of spices that contribute to the taco's 'spicy' characteristic.

In the context of Taco Bell's offerings, this item is particularly popular among customers seeking a vegetarian option that still delivers bold flavors. The inclusion of the potatoes, rather than meat options like ground beef or chicken, allows this taco to cater to a diverse customer base. Rice is not a significant ingredient in this specific taco, making potatoes the clear standout in this menu item.