Preparation Steps

• Preheat oven to 375°F (190°C). In a bowl, whisk together flour, sugar, baking powder, and salt.
• Cut in cold butter until mixture resembles coarse crumbs.
• Stir in milk and winterberries until just combined.
• Gently fold in vanilla extract.
• Drop spoonfuls of batter onto a baking sheet.
• Bake for 30-35 minutes, or until golden brown.
• While the swirls are baking, prepare the glaze by whisking together powdered sugar, milk, and vanilla extract.
• Once the swirls are cooled, drizzle with glaze.