Manchego and Olive Oil Mashed Potatoes - Fresh-Pressed Olive Oil

Ingredients

• 2 pounds of good mashing potatoes, such as Yukon gold, peeled and cut in half
• Coarse salt (kosher or sea)
• 6 tablespoons heavy cream
• 1/4 cup whole milk
• 3 tablespoons extra virgin olive oil, plus extra for drizzling
• 2 tablespoons butter
• 1/2 cup grated Manchego cheese, preferably aged
• 1 tablespoon chopped fresh chives (optional)