INGREDIENTS
1 cup
chilled sweet potato puree (see Note)
3/4 cup
chilled buttermilk
2 1/4 cups
all-purpose flour
2 tbsp
light brown sugar
2 1/2 tsp
baking powder
1/2 tsp
baking soda
1 tsp
kosher salt
1 stick
cold unsalted butter, cut into cubes, plus 1 tablespoon melted butter, for brushing