Blueberry Scones

Ingredients: • 2 cups all-purpose flour • ½ cup granulated sugar • 2 ½ teaspoons baking powder • ½ teaspoon salt • ½ teaspoon ground cinnamon • ½ cup (1 stick) unsalted butter FROZEN • ½ cup heavy cream • 1 large egg • 1 teaspoon vanilla extract • 1 heaping cup of...