Painted Cake Roll

Ingredients

• FOR THE PATTERN
• 1 Egg White
• 2 Tablespoons Butter, Room Temperature
• 3 Tablespoons Powdered Sugar
• 4 Tablespoons All-purpose Flour
• Multiple Colors Of Food Coloring
• FOR THE CAKE:
• 3/4 cups All-purpose Flour
• 1/2 teaspoons Baking Powder
• 4 Eggs
• 3/4 cups Superfine Sugar
• 1 teaspoon Vanilla Extract
• 2 Tablespoons Warm Water
• Confectioners' Sugar, To Coat The Parchment Paper
• FOR THE FILLING:
• 2 Tablespoons Hot Water
• 1 Tablespoon Superfine Sugar
• 5 Tablespoons Any Fruit Jam