Salt-and-Pepper Biscuits Recipe

Ingredients

• 3/4 cup sour cream
• 4 tablespoons heavy cream, divided
• 1 tablespoon baking powder
• 1 teaspoon kosher salt
• 1 teaspoon sugar
• 1/2 teaspoon coarsely ground black pepper plus more
• 2 cups all-purpose flour plus more for surface
• 6 tablespoons (3/4 stick) chilled unsalted butter, cut into pieces
• Flaky sea salt (such as Maldon)
• Salt-and-Pepper Butter (optional)
• A 2 1/4"-diameter biscuit or cookie cutter