Blackberry Scones You Can Bake Straight From the Freezer

Ingredients

• 2 cups unbleached all-purpose flour
• 1/3 cup granulated sugar
• 1/4 teaspoon baking soda
• 1/4 teaspoon cinnamon
• 1/2 cup cold unsalted butter
• 1/4 cup 2% or whole milk
• 1 large egg
• 1 cup fresh blackberries
• 1 tablespoon butter
• 2 blackberries
• 1 tablespoon heavy cream or half-and-half
• 1 cup powdered sugar
• 1 teaspoon vanilla extract