Mashed potato biscuits

Ingredients

• • 2 cups (500 ml) unbleached all-purpose flour
  • 1 1/2 teaspoons (7.5 ml) baking powder
  • 1/2 cup (125 ml) unsalted butter, softened
  • 1 cup (250 ml) sugar
  • 1 teaspoon (5 ml) vanilla extract
  • 1 cup (250 ml) leftover mashed potatoes
  • 2 tablespoons (30 ml) 35% cream
  • Whipped cream (optional)
  • Fresh berries (optional)