Gatot: Dried Cassava Snack From Java

What gatot is and where it comes from

Gatot is a traditional Javanese snack made from dried cassava. Its base is gaplek, cassava root that has been peeled, cut and dried until it is hard and pale. Gatot takes that dry ingredient further through soaking, fermentation and steaming, producing a dense, chewy cake with a dark colour that sets it apart from most other cassava snacks.

The snack is associated with Gunungkidul, a regency in the Special Region of Yogyakarta, and it is eaten across parts of Java. It is a simple food built from cassava, a root crop that can be stored for a long time once it is dried.

From fresh cassava to gaplek

The first stage is the preparation of gaplek. Fresh cassava is peeled, washed and cut into pieces, then laid out in the sun to dry. The pieces are turned so that they dry evenly, and they are dried until they are firm all the way through. A properly dried piece is hard and light, and it keeps well for a long time when it is stored in a dry place.

Gaplek is useful on its own. Its dryness is what makes cassava easy to store, and that practical quality is the starting point for gatot. The step from dried root to finished snack depends on the change that happens during the next stage, which is fermentation.

Fermentation and the dark colour

Gatot is fermented. As the cassava continues to dry, mould develops on the pieces and they begin to turn blackish. This natural fermentation is what gives the snack its character, and it is the reason a well-made gatot is deep brown to nearly black rather than the pale tone of plain gaplek.

The colour is not added. Because it comes from the process itself, its depth varies from one batch to the next, and cooks judge the stage mainly by sight and by touch. The pieces should be dry, and they should show the dark, mouldy surface that marks the fermentation. The stage is easy to overshoot if the weather is damp, so a cook watches the pieces closely rather than following a fixed timetable.

Soaking until the cassava is chewy

Before gatot can be cooked, the dried and fermented cassava has to be softened. The pieces are soaked in clean water for a night, or for up to two days, until they become chewy and springy. Dry gaplek is too hard to eat and would crack if it were steamed without softening, so this step matters more than any other preparation detail.

When the soaking is finished, drain the water and rinse the pieces well. Soaking too briefly leaves the centre of a piece hard, while uneven softening leaves some pieces tender and others tough. Taking a moment to test a piece between the fingers before steaming saves a lot of trouble later.

Steaming with salt, palm sugar and grated coconut

The softened cassava is steamed until it is cooked through and tender. Seasoning goes in at this stage. Salt is sprinkled over the steamed pieces and mixed through, and palm sugar or white sugar is either mixed into the gatot or sprinkled over the top. Salt gives the snack a savoury, slightly sharp edge, while sugar gives a rounder sweetness. Many cooks use a little of both, and the balance is a matter of personal taste.

Grated coconut is the usual companion. It is mixed with a little salt and served alongside the gatot. The coconut adds softness and a fresh, milky sweetness that contrasts well with the dense cassava.

Serving gatot

Gatot is usually served with grated coconut, either on top or on the side. Some people eat it plain, and others add a little extra salt or sugar at the table. It works as a light breakfast or an afternoon snack, and it pairs well with a cup of tea or coffee.

Because the texture is so dense, a small piece is usually enough. A sip of hot tea between bites helps the snack go down easily. Gatot is at its best eaten soon after it is made, while the texture is still soft, though it keeps reasonably well when wrapped and stored in a cool place.

What to look for when buying gatot

Visitors who want to try gatot should look for dense, dark pieces in traditional markets, especially in the morning when vendors are most active. A good piece has a firm surface and no sour smell of spoilage, which is the main thing to check at a stall. The colour should be dark throughout rather than patchy, and the texture should hold together without crumbling.

Ask the vendor how the snack was made and whether it was seasoned with salt, palm sugar or both. Vendors can explain their methods, and their answers often reveal the household traditions behind the snack. Buy a small amount first, so you can judge the texture and sweetness before choosing a larger portion.

Making gatot at home

A home cook begins with dried cassava that is firm and dry all the way through. Soak it until it is chewy, drain and rinse it, steam it until it is tender, and then season it with salt, palm sugar or both. Serve it with grated coconut.

The fermentation is the hardest part to control at home, because it depends on the temperature and humidity of the kitchen and the drying area. Patience is the main ingredient. Rushing the soaking leaves the snack tough, and rushing the drying leaves the colour uneven. Taste as you go, and adjust the salt and sugar to suit your preference.

Common mistakes when making gatot at home

The most frequent problem is a snack that is hard in the middle. It usually comes from soaking the dried pieces for too short a time, or from cutting them so thick that the water cannot reach the centre. Cut the pieces to a size that softens evenly, and check the middle of one piece before you commit the whole batch to the steamer.

The second common problem is a flat, one-note flavour. This tends to happen when the cook seasons only at the end, or uses too little salt and sugar to bring the cassava forward. Season the pieces while they are still warm so the salt and sugar are absorbed, and then taste again once the coconut has been added.

A third problem is spoilage from storage. Dried cassava that has picked up damp before drying is complete will not behave the way a well-dried batch does, and a finished gatot left in a warm, humid room can sour quickly. Store the dried gaplek in a dry place, keep the finished snack wrapped and cool, and eat it while the texture is still good.

Storing dried cassava before you cook

Dried gaplek keeps well when it is kept dry, and this is the reason cassava has long been a practical food in dry areas. Store it in a sealed container or a dry cupboard, away from steam, rain and direct sun once the drying is complete. Check it before cooking: any piece that smells musty or shows unwanted spots should be set aside rather than soaked and steamed.

Because gatot depends on the cassava being dry and fermented in the right way, buying gaplek from a trusted seller is worth the effort. Ask how it was dried and how long it has been stored, since those answers tell you more about the likely texture than the appearance of a single piece.

Frequently asked questions

Why is gatot dark?

The dark colour comes from the natural fermentation of the cassava while it dries. It is not an added colouring, so the depth of colour varies from batch to batch.

Is gatot sweet or savoury?

It can be either. Salt makes it savoury and palm sugar makes it sweet, and many households use both to give the snack a balanced taste.

How long does the soaking take?

The dried pieces are soaked from overnight up to two days, until they become chewy. The exact time depends on how dry the gaplek is and how warm the room is.

How long does gatot keep?

It is best eaten within a day or two of making. It keeps reasonably well when wrapped and stored in a cool place, but its texture is best when fresh.

Other Yogyakarta and Javanese snacks to try

Gatot belongs to a family of traditional snacks made from cassava and other starchy foods. The gethuk page covers another cassava snack from the Yogyakarta region, and the jadah tempe page covers a chewy snack from the same area. The geplak page covers the coconut sweet of the region, and the Gunungkidul guide explains the landscape where the cassava for many of these snacks is grown.

Related snack guides include karak kaliang, putu ayu and bubur candil. For a wider view of cassava and starch-based snacks, read Cassava and Tapioca Snacks of Indonesia.