Soft Tiramisu-Inspired Cookies with Espresso and Mascarpone

Ingredients

• 1 1/2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, softened
• 3/4 cup granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 tablespoon instant coffee granules
• 1 tablespoon hot water
• 1/2 cup mascarpone cheese
• 1/4 cup heavy cream
• 2 tablespoons coffee liqueur
• 1/4 cup cocoa powder, for dusting