Chef John's Sweet Potato Biscuits

Details

Ingredients

• 1 large orange-fleshed sweet potato, peeled
• 1 teaspoon salt
• 1 tablespoon brown sugar
• ½ cup buttermilk
• 3 ¼ cups self-rising flour
• 1 ½ sticks unsalted butter, frozen
• 1 tablespoon melted butter
• 4 tablespoons butter, room temperature
• 1 teaspoon pomegranate molasses
• 1 teaspoon pomegranate juice
• Fresh pomegranate seeds for garnish