Preheat oven to 350 degrees
Cut sweetpotatoes in half lengthwise, wrap each half in foil and bake until sweetpotatoes are soft
Remove from oven and set aside to cool
Brown chorizo in pan over medium heat, and drain, discarding the grease
Add onion to the pan and saute until translucent
Once the sweetpotatoes have cooled, carefully scoop the flesh from the skins, being careful not to tear the skins
Set the skins on a lightly greased baking sheet.
In a large bowl, mix together chorizo, onions, sweet potato, corn, ½ cup of the cheese, salt and pepper
Load ¼ of the sweetpotato mixture back into each of the skins
Top stuffed skins with more cheese and crushed tortilla chips
Bake stuffed sweetpotatoes at 350 degrees for 10 minutes or until cheese is melted.
Serve potatoes with jalapeno sauce.