peel and chop the sweet potato. put it into a pot and fill with water. boil on high. once boiling, bring to medium low heat and cover with lid leaving a small opening. let this cook until the sweet potatoes are mushy.
add the remainder of the ingredients into the blender. once your sweet potato is ready strain it and add it to the blender. blend on high.
taste check and add more salt and pepper when needed. pour over pasta and stir and voila!
Optional add-ins: mushrooms, smoked paprika, herbs, etc.