In a pot boil the sweet potatoes with some water until fork tender about 10 minutes.
In a skillet heat a tbsp of oil and add the chorizo.Cook until golden.Transfer onto a bowl.
Discard the fat and add another tbsp of oil.
Saute the onions for about a minute.
Add the garlic and saute.
Add the cumin,red chili and cayenne.
Mix well and add the sweet potato until well combined.
Add the chorizo back and mix all together.
Garnish with parsley and serve hot.