Follow these simple steps to create your Roasted Garlic Mashed Potatoes:

1. Preheat the Oven: Begin by preheating your oven to 400°F (200°C).
2. Prepare the Garlic: Cut the top off the head of garlic, drizzle with olive oil, wrap in aluminum foil, and place it in the oven. Roast for 30-40 minutes until soft and caramelized.
3. Peel the Potatoes: While the garlic roasts, peel the Yukon Gold potatoes and cut them into even chunks.
4. Boil the Potatoes: Place the potato chunks in a large pot and cover them with cold water. Add a pinch of salt and bring to a boil. Reduce to a simmer and cook until they are fork-tender (approximately 15-20 minutes).
5. Drain the Potatoes: Once cooked, drain the potatoes well in a colander and return them to the pot.
6. Mash the Potatoes: Squeeze the roasted garlic cloves from their skins into the warm potatoes. Add the butter and heavy cream.
7. Combine: Using a potato masher or ricer, mash the potatoes until creamy and smooth. Be careful not to over-mash, as this can lead to gummy potatoes.
8. Season: Taste and season with salt and pepper to your preference.
9. Garnish: Serve hot, garnished with freshly chopped chives or parsley if desired.

These steps will guide you in preparing Roasted Garlic Mashed Potatoes that are nothing short of incredible.