Espresso Filling Set a fine mesh strainer inside a small bowl.
In small saucepan, stir together sugar, espresso powder, cornstarch and salt. In medium bowl, whisk together milk, cream and egg yolks. Stir into saucepan. Cook over medium heat, stirring constantly, until mixture thickens and boils. Push through strainer. Cover top of filling directly with plastic wrap. Chill completely.