Ingredients
- 2 cups (250g) all-purpose flour (spoon & leveled), plus more for hands and work surface
- 1/2 cup (100g) granulated sugar
- 2 and 1/2 teaspoons baking powder
- 1 teaspoon ground cinnamon
- 1/2 teaspoon salt
- 1/2 cup (1 stick; 115g) unsalted butter, frozen
- 1/2 cup (120ml) heavy cream (plus 2 Tbsp for brushing)
- 1 large egg
- 1 and 1/2 teaspoons pure vanilla extract
- 1 heaping cup (180g) fresh or frozen blueberries (do not thaw)
- for topping: coarse sugar and vanilla icing
