Sweet Potato Soup

Wash the sweet potatoes thoroughly, peel them, and cut into bite-sized pieces.

Finely chop the onion and carrot as well.

Melt butter in a pot and sauté the onion and carrot.

Add the sweet potatoes and stir-fry together.

Pour in water or vegetable broth and boil until the sweet potatoes become soft.

Put all the ingredients in a blender and blend until smooth.

Transfer back to the pot, add milk and salt, and boil once more.

Serve in a bowl and garnish with parsley.