Cut potatoes in half lengthwise and place, cut sides down, in a microwave-safe baking dish. Add 1/4 cup of water and cover with plastic wrap.
Microwave on high for 15 minutes or until tender. Let the potatoes cool slightly and remove the skins.
Pour into a large bowl and repeat with remaining. potato and stock mixture. Add salt and divide among soup bowls. Sprinkle cooked bacon and Parmesan cheese evenly over top. Garnish with parsley.