Wash, peel and cut your potatoes into cubes so it cooks evenly.
Add your potatoes to a heavily salted pot of cold water.
Boil until fork tender.
Drain and remove the potatoes.
In the same pot, on low heat, add your butter, milk, cream, minced garlic (optional) and salt.
Mix well and warm until your butter melts.
Once your mixture is warm, remove from heat, add it to your potatoes and begin mashing with a potato masher.
For an extra creamy mashed potatoes, mix in your mayo.
Garnish with parsley or chives and enjoy.