Whipped Sweet Potatoes

Bahan-bahan (8 porsi)

• 3 lbs sweet potatoes (cleaned and left damp)
• 1⅓ cups heavy cream
• ⅔ vanilla bean (split lengthwise and seeds scraped)
• ¼ cup butter (softened to room temperature)
• ½ - 1 teaspoon kosher salt (adjust to taste)
• ⅛ - ¼ teaspoon white pepper (adjust to taste)