Nasi goreng is Indonesian fried rice made with kecap manis (Indonesian sweet soy sauce), shrimp paste (terasi or belacan), egg, garlic, shallots, red chilli, and protein such as chicken or prawn, topped with a fried egg, prawn crackers, and fried shallots. Kecap manis is fundamentally different from Chinese soy sauce — it is made with palm sugar and molasses, producing a sauce that is thick, very dark (almost black), extremely sweet, and far stickier than regular soy sauce. On carpet, nasi goreng presents: the stickiest common food stain from the palm sugar in the kecap manis (far more hygroscopic than regular sugar); an extremely dark colour from the kecap manis (darker than most Chinese sauces); shrimp paste pungent fermented protein smell (much stronger and more persistent than fish sauce); egg protein; rice grain starch; and chilli carotenoid.
Cleaning steps
- Remove rice, egg, protein pieces, and any prawn crackers by hand. Prawn crackers absorb the kecap manis and moisture rapidly — remove them immediately before they dissolve into the carpet.
- Apply cold water and blot to begin dissolving the kecap manis palm sugar. Cold water is important for the egg protein. Apply and blot in multiple passes — the palm sugar concentration in kecap manis is very high and requires thorough dilution.
- Apply cornflour to absorb the cooking oil. Allow 10 minutes and vacuum.
- Apply dish soap solution (1 teaspoon per cup of cold water) and blot to emulsify the oil and address the kecap manis sugar residue. Dish soap is more effective than water alone on the palm sugar component — work it gently into the pile.
- Apply enzyme cleaner and allow 20 minutes dwell time for the egg protein, chicken or prawn protein, and shrimp paste fermented protein.
- Rinse thoroughly with cold water — multiple blotting passes. The palm sugar residue in kecap manis requires more thorough rinsing than regular soy sauce because the sugar concentration is much higher.
- Apply hydrogen peroxide (3%) for the kecap manis dark colour. Allow 10 minutes and blot. Kecap manis is one of the darkest food stains — expect two to three rounds on light carpet. Do not rush between rounds — allow complete drying to accurately assess progress.
- Apply baking soda overnight for the shrimp paste terasi smell. This is among the most persistent food smells in carpet — apply baking soda for three consecutive nights rather than the usual two. The terasi fermented shrimp protein contains highly volatile amines that bond stubbornly to carpet fibres.
Kecap manis palm sugar is the stickiest food stain — rinse exhaustively
Kecap manis contains palm sugar at a ratio of approximately 1:1 with the soy sauce base — far more sugar than any Chinese soy sauce. Palm sugar is more hygroscopic than white sugar (it absorbs atmospheric moisture more readily), creating a carpet stain that will feel tacky for days and attract dust and foot-traffic re-soiling rapidly if not fully removed. Every cleaning step that involves rinsing should be done in multiple passes — three or four blotting passes with fresh cold water rather than the usual one or two. The carpet should not feel at all sticky when dry. If any stickiness remains after cleaning and drying, apply dish soap solution again and rinse again — residual palm sugar is the cause.
Nasi goreng left a near-black stain or shrimp paste smell?
Kecap manis dark melanoidin colour and terasi fermented protein that have set in carpet pile may need professional extraction for complete resolution.
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Frequently asked
The nasi goreng used belacan (Malaysian shrimp paste) which is stronger than Indonesian terasi. The carpet smell is very intense. How many baking soda nights should I expect?
Belacan is a dry-roasted, more concentrated form of shrimp paste than Indonesian terasi — the roasting process intensifies the trimethylamine and amine compounds that produce the smell. For a belacan-based nasi goreng, expect three to four nights of baking soda for carpet pile penetration, and a vinegar pre-treatment before each baking soda application: apply white vinegar (1 part vinegar to 3 parts cold water), allow 5 minutes, blot, allow to dry, then apply baking soda overnight and vacuum the next morning. The vinegar neutralises the amine compounds chemically before baking soda adsorbs the volatile fraction. If the smell persists after four nights of this sequence, the belacan amine has reached the underlay and professional extraction is needed.
There was a fried egg on top of the nasi goreng that was runny (soft yolk). The yolk spread across the carpet. How do I treat runny egg yolk separately from the kecap manis?
Runny egg yolk on carpet contains egg lecithin (a fat-protein emulsifier), carotenoid pigment (the yellow comes from beta-carotene and lutein), and egg protein in a more liquid state than scrambled egg. The yellow carotenoid from egg yolk responds well to hydrogen peroxide — it is typically lighter than the kecap manis dark colour and may be addressed in the same hydrogen peroxide round. The egg lecithin benefits from dish soap emulsification. Apply cold water first to dilute the runny yolk and prevent the egg protein from setting, then dish soap, then enzyme cleaner. The kecap manis treatment sequence handles the yolk incidentally — there is no need to treat them in separate sequences unless the yolk spread significantly beyond the kecap manis stain zone.
The nasi goreng had fried shallots as a topping. Some fried shallot fragments are embedded in the carpet. Do fried shallots stain or smell?
Fried shallots contribute a small amount of caramelised sugar (from the shallot fructose caramelising in oil) and allyl sulphide compounds (the onion smell family). The caramelised fragments produce a minor amber colour on light carpet — this is a small additional Maillard reaction colour on top of the dominant kecap manis stain, and hydrogen peroxide addresses it simultaneously with the kecap manis. The fried shallot onion smell is relatively mild compared to the shrimp paste smell and is addressed by the same baking soda treatment. Remove visible fried shallot fragments by hand before applying any liquid, as the fragments continue releasing their oil (they were fried in vegetable oil) and allyl sulphide while in contact with the wet pile.