Berry Cobbler

Bahan-bahan (10 porsi)

• 8 cups (approx. 1kg) mixed berries* (see note)
• 1/2 cup (100g) granulated sugar
• 2 Tablespoons (15g) cornstarch
• 1 teaspoon lemon juice
• 1/2 teaspoon pure vanilla extract
• 1 and 1/2 cups (188g) all-purpose flour (spooned & leveled)
• 1/3 cup (65g) granulated sugar
• 1 and 1/2 teaspoons baking powder
• 1/4 teaspoon salt
• 6 Tablespoons (85g) unsalted butter, cold and cubed
• 1/2 cup (120ml) buttermilk, cold*
• for topping before baking: 1 Tablespoon buttermilk and coarse sugar