Chop potatoes, place in large sauce pot and cover with water.
Bring to rolling boil until potatoes fall apart when poked with a fork.
Heat Half and Half in medium sauce pot and with Garlic until simmer, than remove from heat and set aside.
Remove potatoes from heat and drain water.
Mash potatoes in pot, add garlic cream mix to potatoes and Parmesan.
Blend with inversion mixer and serve.