Homemade Twinkies

Ingredients

• 1/2 cup + 3 tablespoons flour
• 1 tablespoon corn starch
• 1 teaspoon baking powder
• 1/8 teaspoon salt
• 2 tablespoons heavy cream
• 4 tablespoons salted butter
• 1/2 teaspoon vanilla extract
• 5 eggs, separated room temperature
• 1/4 cup + 2 tablespoons granulated sugar (for yolks)
• 1/4 teaspoon cream of tartar
• 1/2 cup granulated sugar
• 1/2 cup water
• 1 teaspoon vanilla extract