Orange Creamsicle Ice Cream Cake | America's Test Kitchen

Ingredients

• ⅓ cup whole milk , room temperature
• 2 large egg whites , room temperature
• ¾ teaspoon vanilla extract
• ¾ cup (3 ounces/85 grams) cake flour
• ½ cup plus 1 tablespoon (4 ounces/113 grams) sugar
• 1¼ teaspoons baking powder
• ¼ teaspoon salt
• 4 tablespoons unsalted butter , softened but still cool
• 1 orange
• ½ cup (3½ ounces) sugar
• 1 cup orange marmalade
• 1/4 cup water
• 3 tablespoons orange-flavored gelatin
• 24 cake-style ladyfingers
• 1½ pints orange sherbet
• 1½ pints vanilla ice cream