Ube Roll Cake - Filipino Chow

Ingredients

• 1 cup of cake flour
• 1/2 cup of sugar
• 1 - 1 1/2 teaspoon of baking powder
• 1/4 teaspoon of salt
• 5 large eggs
• 1/2 teaspoon of vanilla extract
• 1/4 cup of evaporated or fresh milk
• 1 teaspoon of ube flavouring
• 1 teaspoon of liquid purple food coloring
• 2 tablespoons of vegetable oil
• 1 cup of softened butter
• 1 cup of powdered sugar or confectioners sugar
• 2 tablespoons of evaporated milk or fresh milk
• 1 tablespoon of Ube flavoring
• 1/4 teaspoon of purple food coloring
• 1/2 cup of water
• 3/4 cup of sugar
• 2 egg whites
• A pinch of salt
• 12 tablespoons of softened butter