Black Forest Cake with Fresh Cherries

Ingredients:
For the cake:
– 1 3/4 cups all-purpose flour
– 3/4 cup unsweetened cocoa powder
– 1 1/2 teaspoons baking powder
– 1 1/2 teaspoons baking soda
– 1/2 teaspoon salt –
2 cups granulated sugar
– 2 large eggs
– 1 cup whole milk
– 1/2 cup vegetable oil
– 2 teaspoons vanilla extract
– 1 cup boiling water

For the filling:
– 2 cups fresh cherries, pitted and halved
– 1/4 cup granulated sugar
– 1 tablespoon cornstarch
– 1/4 cup water
– 2 tablespoons kirsch (optional)