"In Korea, dessert often means a simple piece of fruit. This ice cream, though more complex, rings so clearly of mandarin oranges that we think an exception may be made. Sesame seeds, valued in Korean cooking for their medicinal properties, thread their way through the frozen custard as nuggets of honey-sweetened brittle. When making a large amount of ice cream, as this recipe does, it's imperative to churn the mixture in two batches, so ice crystals don?t form...."