01 -
Preheat oven to 190°C. Remove the top 0.5 centimetres from the garlic head to expose the cloves. Place the garlic on a sheet of aluminium foil, drizzle with olive oil, and wrap tightly. Roast for 60 minutes until the cloves are soft and golden. Let cool, then squeeze the roasted cloves from their skins.
02 -
Place the quartered potatoes in a large pot or Dutch oven and cover with cold water. Add 5 millilitres kosher salt. Bring to a boil over medium-high heat, then reduce to a simmer. Cook for 15 minutes or until the potatoes are easily pierced with a fork.
03 -
Drain the cooked potatoes thoroughly and return them to the pot. Add the roasted garlic cloves.
04 -
Gently heat the half and half and butter together until the butter melts, either on the stovetop or in a microwave. Pour the warm mixture over the potatoes and garlic.
05 -
Mash the contents until creamy, leaving a few small lumps for texture. Adjust seasoning with additional salt and fresh ground black pepper to taste.
06 -
Transfer to a serving dish. Garnish with extra butter and fresh herbs if desired. Serve immediately.