It's traditionally so chunky it's eaten with a spoon as much as sipped — grated watermelon and coconut suspended in their own sweet, milky juice.
'Otai is a cold Tongan fruit drink made by grating watermelon, and often pineapple or mango, into coconut milk or cream, served icy in large bowls or cups. It's a staple at Tongan feasts, family gatherings, and Sunday meals, prepared fresh in big batches to share.