How to Make Twinkies

Ingredients:

1/2 cup SR flour
1/4 cup all-purpose flour
1/4 teaspoon salt
2 tablespoons milk
4 tablespoons unsalted butter
1/2 teaspoon vanilla extract
5 eggs
3/4 cup caster sugar

FILLING
3/4 cup caster sugar
1 tablespoon corn syrup
3 egg whites
pinch salt
1/2 teaspoon vanilla extract