Tiramisu Sheet Cake | Command Cooking

Ingredients

• ***For the cake:***
• 1 box vanilla cake mix
• 1/2 cup water
• 1/2 cup milk
• 1/2 cup vegetable oil
• 3 large eggs
• ***For the icing:***
• 1 1/2 cups strong hot coffee, brewed
• 1 1/2 tablespoons sugar
• 8 ounces mascarpone cheese, room temperature
• 8 ounces cream cheese, room temperature
• 1/4 cup sour cream
• 1 teaspoon vanilla extract
• 1/3 cup powdered sugar
• 1 (8-ounce) container whipped topping
• unsweetened cocoa, to taste
• chocolate curls, to taste