Step 1

Peel and cut sweet potatoes into 2-inch cubes.

Step 2

Place sweet potatoes in a large pot (6-quart) and cover with water by an inch. Season with 3 teaspoons salt and bring to a boil, reduce heat down to medium-low and allow to simmer until fork tender (about 15-20 minutes).

Step 3

Drain cooked potatoes, add in the butter, sour cream, garlic, remaining salt and parmesan.

Step 4

Mash with a potato masher until smooth, adding milk if desired for a smoother/lighter mash.

Step 5

Garnish with parsley, serve.