Lablabi: Tunisia's Chickpea Street Soup and Its Carpet Stain
Lablabi is one of the most beloved street foods and everyday dishes in Tunisia — a hearty bowl of boiled chickpeas served in a light broth and dressed at the table with generous quantities of harissa (the Tunisian fermented red pepper paste), olive oil, cumin, and lemon juice, often with stale bread broken into pieces to soak up the broth, and sometimes topped with a poached or raw egg, tuna, capers, and olives. The dish is particularly popular in winter and as a breakfast food in Tunis. When lablabi spills on carpet, the chickpea broth itself is very pale (chickpeas have no significant chromophore — no anthocyanins, no vivid carotenoids), but the harissa and olive oil added as condiments create the actual staining challenge. Harissa contains concentrated capsanthin (red carotenoid from red peppers) dissolved in olive oil, making the stain a combination of fat-soluble carotenoid pigment and oleic acid-dominated oil.
Harissa: Capsanthin Carotenoid in Olive Oil
Harissa — a paste of roasted red peppers, chilli, garlic, cumin, coriander, and olive oil — is the defining condiment of Tunisian cuisine and the primary staining component of lablabi. The vivid red-orange colour of harissa comes from capsanthin, the fat-soluble carotenoid found in red peppers and chillies (the same pigment as in Hungarian paprika, discussed in the pörkölt post). In harissa, the capsanthin is dissolved in the olive oil component of the paste, creating a highly concentrated fat-soluble red pigment solution. When lablabi with harissa spills on carpet, the olive oil acts as a carrier that distributes the capsanthin deep into carpet fibres. Treatment sequence: (1) blot excess immediately; (2) apply cornflour or dry baking soda for 10–15 minutes to absorb the olive oil and its dissolved capsanthin; (3) vacuum; (4) apply a lipase enzyme cleaner with 15 minutes contact to break down the remaining olive oil; (5) apply 3% hydrogen peroxide for 10 minutes to oxidatively bleach the capsanthin. Olive oil is predominantly monounsaturated (approximately 73% oleic acid) and remains liquid at room temperature, making the cornflour absorption step urgent — act within the first 5 minutes before it spreads further.
Chickpea Broth, Cumin Aroma, and Lemon
The chickpea broth in lablabi creates primarily a protein and starch residue (from the chickpea cooking liquid) with very little colour pigment — chickpeas are pale cream in colour and contain no anthocyanins or vivid carotenoids. After the harissa treatment steps, apply cold water and blot to lift the chickpea broth residue. Cumin (kemoun in Tunisian Arabic) is used generously in lablabi and contributes its characteristic warm-spicy aroma from cuminaldehyde and other volatile compounds that can be absorbed by carpet fibres. After the main stain treatment and once the carpet is dry, apply baking soda generously and leave overnight to adsorb the cumin aroma. Lemon juice (added in some versions) is acidic and colourless — it poses no staining risk and actually helps maintain the red colour of harissa capsanthin in the stain (acidic pH is slightly favourable for carotenoid stability, though this does not affect the treatment sequence).
Poached Egg and Tuna (Optional Toppings)
Lablabi served with a poached egg adds egg yolk xanthophylls (fat-soluble lutein and zeaxanthin, yellow) and egg white albumin (protein, colourless) to the stain picture. Egg yolk treatment: cornflour to absorb fat, then lipase enzyme for fat breakdown, then hydrogen peroxide for xanthophyll bleaching. Egg white albumin: cold water blotting then protease enzyme — never hot water, which denatures albumin into a set white stain. Canned tuna (added in some lablabi versions) contributes trimethylamine oxide (TMAO) breakdown products that create a fishy aroma, myoglobin from the red myoglobin-rich tuna meat (treat with cold water then protease enzyme), and tuna oil (lipase enzyme). For the fishy aroma from tuna, dilute white vinegar (1:10 in water, 5 minutes contact) neutralises the amine compounds before the baking soda overnight step.
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Tunisian Lablabi on Carpet: Common Questions
The harissa stain on my carpet looks orange-red — will it fade on its own over time?
Capsanthin (the carotenoid in harissa) does not fade significantly on its own at room temperature within any practical timeframe. Carotenoids are relatively stable pigments — they resist oxidation by air alone, which is why paprika and harissa maintain their vivid colour on a shelf. The only effective household bleaching agent for capsanthin is hydrogen peroxide (oxidative bleaching) or sustained UV exposure (from sunlight). In a darkened interior, a harissa stain on carpet will not noticeably fade without active treatment. The longer the stain sits untreated, the more firmly the capsanthin bonds to carpet fibres.
Can I use olive oil to help lift the harissa stain from carpet?
No — adding more olive oil to a harissa stain is counterproductive. Olive oil would dilute the harissa slightly but would add more fat to the carpet, increasing the overall fat load and driving the capsanthin deeper into the pile. The oil must be extracted from carpet, not supplemented. Use cornflour or dry baking soda to absorb the existing oil phase before adding any liquid. The principle is oil-in then oil-out: absorb first, then enzyme breakdown, then oxidative treatment.
My lablabi had rose harissa — does the rose component change the treatment?
Rose harissa (which includes dried rosebuds or rose petals and sometimes rose water) adds a very small amount of rose flavonoids and anthocyanins to the harissa. In practice, the quantity of rose-derived pigment in rose harissa is very small compared to the capsanthin concentration from the red pepper base. The treatment sequence is the same as for standard harissa: the hydrogen peroxide step will address both the capsanthin and any residual rose anthocyanins simultaneously. Rose water (in harissa or added separately) does not stain.
Is lablabi a worse carpet stain than standard tomato soup?
Lablabi with harissa creates a more challenging stain than standard tomato soup (which contains lycopene in an aqueous tomato base). The key difference is concentration and carrier: harissa is a concentrated paste with capsanthin dissolved in olive oil, whereas tomato soup is a diluted aqueous suspension with lycopene in a relatively dilute fat phase. A harissa spill deposits a higher carotenoid-per-unit-area load than the same volume of tomato soup, and the olive oil carrier in harissa penetrates carpet faster than a watery tomato base. However, both are treated with the same cornflour → lipase → hydrogen peroxide sequence and can typically be fully removed from synthetic carpet when treated promptly.