Wash and dry 2 lbs Russet Potatoes, making sure that skin is really dry.
With a fork or sharp knife, pierce each potato 2 or 3 times.
Place potatoes in the air fryer basket in a single layer.
Peel off most of the outermost skin of 1 bulb garlic but leave the whole bulb intact.
Trim about ¼ inch off the top of the garlic bulb to expose the cloves.
Place the garlic on a large piece of aluminum foil, then drizzle 1 teaspoon olive oil and 1 pinch kosher salt over the exposed cloves and close the foil into a pouch.
Place foil wrapped garlic in the air fryer basket with the potatoes.
Air fry at 400°F for 30 minutes (you do not need to preheat).
After 30 minutes, remove foil pouch with garlic and set aside to cool.
Continue air frying the potatoes for another 10 minutes or until you can easily pierce the potatoes with a fork. Air frying time can vary depending on the size of the potatoes, how many potatoes you are air frying together, and even the air fryer you use.
Transfer potatoes to a cutting board and allow to cool until they are cool enough to handle.
When potatoes are cool enough to handle, carefully remove the skin. It should come off easily. TIP: Use the back of a paring knife to help pull the skin off.
Remove garlic from foil pouch.
Place potatoes into a large mixing bowl and squeeze the roasted garlic into the bowl with the potatoes.
Warm ½ cup unsalted butter with 1 cup whipping cream in a microwave safe dish about 30 seconds. TIP: Cover the dish with a paper towel to avoid messy splatters.
Pour half of the butter mixture over the potatoes. Mash potatoes with a potato masher (or fork) until creamy. Add more of the butter and cream mixture a little at a time and continue mashing until desired consistency. NOTE: Only use enough cream/butter mixture to achieve a creamy consistency without getting soupy.
Add ½ teaspoon kosher salt and ¼ teaspoon white pepper to taste.
Transfer to a serving dish and garnish with fresh herbs and melted butter for garnish. Serve and enjoy!