Warm and Juicy Berry Cobbler with Buttery Biscuit Topping - ioanacooks

Ingredients

• 6 cups mixed berries, fresh or frozen
• 1/2 cup granulated sugar
• 1 tablespoon cornstarch
• 1 teaspoon lemon zest
• 1 1/2 cups all-purpose flour
• 1/4 cup granulated sugar
• 1 tablespoon baking powder
• 1/2 teaspoon salt
• 1/2 cup salted butter, frozen and grated
• 3/4 cup heavy cream or milk
• 1 teaspoon vanilla extract
• 2 tablespoons sanding sugar, optional