Homemade Vanilla Slice | Bush Cooking

Ingredients

• 2 sheets pre-made puff pastry (thawed)
• 4 cups cream
• 1 cup white sugar
• 3/4 cup cornstarch ((cornflour))
• 1/2 cup custard powder
• 1 tablespoon unsalted butter
• 2 teaspoons vanilla extract
• 1 1/2 cups confectioner's sugar ((icing sugar))
• 2 tablespoons water
• 1 to 2 drops red food coloring