Tiramisu Cake Roll - What Kate Baked

Ingredients

• 4 eggs
• 1 1/2 teaspoons of vanilla extract
• 1/2 a cup of cake flour
• 1/2 a cup of sugar
• 1/4 a teaspoon of salt
• 1/2 a teaspoon of cream of tartar
• 4 tablespoons of butter at room temperature
• Powdered sugar for rolling
• 8 ounces of light mascarpone cheese
• 1/2 a cup of heavy cream
• 1/4 a cup of sugar
• 1/2 a teaspoon of vanilla extract
• 1/2 a cup of espresso
• 1 1/2 cups of sugar
• A touch of liqueur (you can use whatever liqueur you fancy!)
• Unsweetened cocoa powder
• Whipped cream (optional)