Cherry and Blueberry Cobbler

Ingredients

• Filling
• 6 tablespoons cornstarch
• 3 tablespoons water
• 8 cups pitted cherries, fresh or thawed *
• 2 cups blueberries, fresh or thawed *
• 1 1/2 cups sugar
• 2 tablespoons lemon juice
• 2 tablespoons cointreau orange liqueur
• 1 1/2 teaspoons vanilla
• 1/4 teaspoon cinnamon
• 1 pinch nutmeg
• Dough
• 1 cup cold unsalted butter, cut into tablespoons
• 1 1/2 cup flour
• 1/4 cup yellow cornmeal
• 1/4 cup sugar
• 2 teaspoons baking powder
• 1 teaspoon salt
• 3/4 cup whole milk
• 3/4 teaspoon pure vanilla