Ina Garten Mashed Potatoes (Make-Ahead!)

Bahan-bahan (6 porsi)

• 3 pounds Yukon gold potatoes (peeled and cut into 1 to 2 inch chunks)
• 5 large garlic cloves (peeled)
• 7 to 8 ounces garlic-and-herb goat cheese*
• 4 tablespoons butter ((1/2 stick))
• 1 & 1/2 cups sour cream
• 1/2 cup half-and-half (or milk is fine)
• 2 teaspoons kosher salt
• 3/4 teaspoon black pepper (or to taste)
• 1/2 cup freshly grated Parmesan cheese