This recipe for crispy and fluffy cream donuts is easy to make with just three ingredients: vanilla ice cream, all-purpose flour, and round bread rolls, without using eggs, butter, or milk. The rich custard cream, made by mixing all-purpose flour with vanilla ice cream melted in the microwave, becomes even more authentic when chilled in the refrigerator until firm. Simply coat the fried bread rolls with sugar and pipe in plenty of custard cream to finish. If you can't find round bread rolls, you can substitute them with butter rolls, and it's also recommended to make a whipped custard cream by adding whipped cream. Because it's easy to make with simple ingredients, it's perfect for a home café or snack.