Try pomelo, which looks like an enormous grapefruit. Peel off the thick skin and remove the inner membrane, and the grains of flesh show. Depending on the variety, the sweetness and sharpness feel different. If it is hard to use a knife where you are staying, you could choose pomelo that has been prepared and packed.
A reference photo showing pomelo. It is not limited to photos of the Thai growing areas or varieties described in the text. Pomelo fruit · Ivar Leidus · CC BY-SA 4.0 Resized for display · Photo used under CC BY-SA 4.0
When is the best time to eat it?
Main season October–December Listed as available all year
Use the main season, or the harvest period for regional fruit, as a guide. Actual availability can vary with the growing area, the variety and the weather.
What does it taste like?
It is a citrus fruit in which you can feel the grains of the flesh. Colour, sweetness and sharpness differ with each variety, from yellowish to pinkish flesh.
Why this fruit is well known in Thailand
Thailand has several pomelo varieties, such as khao nam phueng and thong dee. Big whole fruit is also sold as prepared flesh in a tub, which makes it an easy fruit to try on a trip.
Good to know before you buy
Thai name
ส้มโอ
Harvest period
Main season October–December
How it is sold
Keep the price per fruit, the price per kilo and the price of a prepared tub apart. Whole fruit with its thick skin and a tub of flesh only are hard to compare directly by the same weight.
How to prepare and eat it
For whole fruit, peel off the thick outer skin first.
Split it into segments and take off the inner membrane to get out the flesh.
Take out the seeds and eat the flesh. If you buy a prepared tub, it is easy to share straight away.
Frequently asked questions
Can I only buy it in season?
The guide gives its timing as: Main season October–December. It is available all year, but volumes and prices can change with the season and the variety. The calendar does not guarantee that it is on sale on any particular date.
How do I compare a per-kilo price with the price of a tub?
Keep the price per fruit, the price per kilo and the price of a prepared tub apart. Whole fruit with its thick skin and a tub of flesh only are hard to compare directly by the same weight.
If you would like to read more about the food and the regions behind it, these sources are worth a look. Ingredients and cooking methods can vary from one cook to the next.