Coffee cake with coffee mascarpone frosting

Ingredients

Coffee Sponge:

• 3 eggs
• 1/2 cup flour
• 1/2 cup vanilla sugar (or plain)
• 1/2 teaspoon baking powder
• 1 pinch salt
• 2 teaspoons instant coffee powder

Filling/Topping:

• 100gm mascarpone (homemade recipe here)
• 200ml cream (25% fat, chilled)
• 1/2 teaspoon instant coffee
• 3-4 tablespoons icing sugar

Lace Border:

• 50 g milk, dark or white chocolate
• Chocolate shavings and coffee beans for garnishing
• 1/4 teaspoon cocoa if you want to make a web on top