Grandma's Favorite Fruit Cobbler | Holy Recipe

Ingredients

• 2 3/4 pounds peaches, halved lengthwise, pitted and cut into 3/4-inch-thick wedges
• 1 cup blueberries
• 2/3 cup granulated sugar, divided
• 3 tablespoons cornstarch
• 2 tablespoons light brown sugar, packed
• 1 tablespoon lemon juice
• 1 teaspoon fresh ginger, peeled and finely grated
• salt, to taste
• 2 cups all-purpose flour
• 2 teaspoons baking powder
• 1/2 cup unsalted butter, cold and cut into small pieces
• 1 cup plus 2 tablespoons heavy cream, plus more, to taste
• 1 vanilla bean, halved lengthwise and seeds scraped
• sanding sugar, to taste
• vanilla ice cream, optional, to taste, for serving