Open Questions

Open Nixtamalization

Why It Is Open Equipment consistent with alkaline maize processing has been found on Guatemala's southern coast dating as early as 1200 to 1500 BCE, but the earliest DIRECT chemical confirmation, maize starch residue actually showing the alkaline treatment, has so far only been recovered from the Late Classic period, roughly 770 to 895 CE, at San Bartolo, Guatemala. The gap between equipment and confirmed residue leaves centuries of practice unproven either way.

What Would Settle It Starch-residue or isotopic analysis on cooking equipment from the Preclassic and Early Classic periods, closing the gap between the 1200 to 1500 BCE equipment horizon and the 770 to 895 CE residue-confirmed horizon.

Question posed in Encyclopaedia Britannica, archaeological literature on Preclassic-to-Classic period Mesoamerican maize processing.

Open Distillation

Why It Is Open The alembic and retort were refined by Islamic Golden Age chemists including Jabir ibn Hayyan in the 8th century, and reached medieval Europe through Latin translations of Arabic alchemical texts in the 12th century, where distilled wine, aqua vitae, is clearly attested by the early 13th century in Spain. What the earliest stills were actually used to distill, and whether any earlier tradition, Chinese or Indian apparatus is sometimes cited, produced drinkable spirits before that point, is not settled by the surviving record. This is also a genuine Divinity Atlas cross-atlas edge candidate, since the transmission ran through the same alchemical tradition Divinity already covers.

What Would Settle It A dated residue or textual analysis tying a specific early Islamic-world or earlier still directly to beverage alcohol rather than another substance, or an equivalent finding for the disputed Chinese or Indian apparatus.

Question posed in Encyclopaedia Britannica, history-of-distillation and history-of-alchemy literature.

Open Mezcal

Why It Is Open Some archaeological studies, including archaeomagnetic dating of stills at sites in Mexico, have been read as evidence that agave distillation was practiced in Mesoamerica before the Spanish arrived, and one line of research has suggested distillation-related technology may be traceable in the region for as much as twenty five centuries. These claims remain contested, and the dominant scholarly account still credits the Spanish colonial period with introducing true distillation to Mexico, drawing on techniques the Spanish themselves had learned from Moorish alchemical tradition.

What Would Settle It A dated residue analysis directly confirming ethanol distillation, rather than a still-shaped vessel used for another purpose, from a securely stratified pre-contact Mesoamerican context, matched against equivalent confirmed evidence from the early colonial period for comparison.

Expertise Needed Archaeology and archaeometry, specifically residue and materials analysis of excavated still-like vessels.

Question posed in On Food and Cooking: The Science and Lore of the Kitchen, Harold McGee.

Open Coffee

Why It Is Open The popular account of coffee origin, a goatherd named Kaldi noticing his goats grow lively after eating coffee berries, was first put into writing in 1671 by Antoine Faustus Nairon, nearly a thousand years after Kaldi supposedly lived, and no earlier written trace of the story exists; it is folklore, not history. The earliest solid documentary and archaeological evidence for coffee drinking and cultivation as a prepared beverage instead comes from Sufi monasteries and coffeehouses in 15th-century Yemen. Coffea itself is native to the Ethiopian highlands, and Ethiopian oral tradition and later regional use are widely assumed to predate the Yemeni record, but no dated textual or archaeobotanical evidence currently closes the gap between the plant's native range and the first solid 15th-century documentation of it being deliberately cultivated and brewed.

What Would Settle It A dated archaeobotanical find of coffee cultivation or preparation in Ethiopia, or a textual reference to coffee drinking there, that predates the 15th-century Yemeni monastery and coffeehouse record.

Expertise Needed Archaeobotany and Ethiopian textual history

Question posed in History of Coffee (Encyclopaedia Britannica).

Open Mead

Why It Is Open Naturally fermented honey and water is easy to produce by accident, so mead may have been discovered independently by early humans in many places tens of thousands of years before written history. The earliest textual evidence (the Rigveda's soma, roughly 1700 to 1100 BCE) and the earliest strong archaeological evidence (pottery residue from northern China, at least 7000 BCE) are geographically and chronologically unconnected, and neither can be treated as the drink's true point of origin.

What Would Settle It Archaeological residue evidence, securely dated and geographically mapped, sufficient to distinguish a single point of origin from independent, unconnected invention in more than one region.

Expertise Needed Archaeology and archaeometry of fermented beverages

Question posed in Mead (Wikipedia), Lead section.

Open Cashew

Why It Is Open The source documents only the 16th-century Portuguese contact and spread of the cashew, a European-contact date, not an Indigenous first-use or domestication date; no earlier archaeological or textual attestation was found.

What Would Settle It Archaeobotanical remains of Anacardium occidentale from a pre-Columbian Brazilian site, dated and published.

Question posed in Cashew (Wikipedia), Lead section.

Open Maple Syrup Production

Why It Is Open Every source consulted (Wikipedia's Maple syrup article, the National Museum of the American Indian's own magazine) agrees the practice is ancient and predates European contact by a long span, and Wikipedia states plainly that there are no authenticated accounts of how maple syrup production and consumption began. The earliest fixable date found, 1680, marks European settlers and fur traders already harvesting maple products, a continuation of an established Indigenous practice, not its origin.

What Would Settle It An archaeological find (a boiling site, a processing vessel) or a dated Indigenous oral history account placing maple sap processing at a specific century before European contact.

Expertise Needed Food history and archaeology

Question posed in Maple syrup (Wikipedia), History section, European adoption passage.

Open Boodle Fight

Why It Is Open Wikipedia's Kamayan article describes the boodle fight as a tradition of the Armed Forces of the Philippines, originally practiced by Philippine Military Academy cadets and named for military slang from the United States Military Academy West Point, but names no year, decade or bounding period for when PMA cadets began the practice. A search of further secondary accounts found the same description with no added date.

What Would Settle It A Philippine Military Academy institutional history, a military historian's account, or a dated news reference naming when cadets began this specific communal eating custom.

Expertise Needed Military and food history

Question posed in Boodle fight (Wikipedia), Kamayan article, boodle fight passage.

Open Merienda

Why It Is Open Wikipedia's Merienda article documents the custom's geography and its name's spread across Spain, Portugal, Italy, the former Yugoslavia, France, Hispanic America, the Philippines, North Africa and Brazil, but gives no year, century or era for when the custom began or for when it reached the colonies. A secondary source (Spanish Sabores) states plainly that the origins of the custom are murky, with no more specific date offered there either.

What Would Settle It A documented reference in a historical Spanish, Portuguese or Italian text naming a period when the merienda custom is first attested, or a colonial-era record dating its export to the Americas or the Philippines.

Expertise Needed Food history

Question posed in Merienda (Wikipedia), Lead section, geography and language spread.

Open Sobremesa

Why It Is Open Wikipedia's Sobremesa article and La Tienda's own culture page both describe sobremesa as a living Spanish table tradition tied to agrarian life and the siesta, but neither names a year, century or era for when the custom of remaining at the table began.

What Would Settle It A dated literary or historical reference (a period cookbook, a travel account, an academic food-history source) naming when Spanish sobremesa is first documented as a named custom.

Expertise Needed Food history

Question posed in Sobremesa (Wikipedia), Lead section, opening sentence.

Open Injera

Why It Is Open Wikipedia states the origin of injera is unknown; a folklore account places invention around 100 BC and mitad griddles are known from archaeological sites around 600 AD, but both are described as unconfirmed.

What Would Settle It A dated archaeological find of fermented-teff residue or an injera-specific artifact tied stratigraphically to a site, or a written record older than the 19th-century sources currently known, naming injera or its precursor by name.

Expertise Needed food history, archaeology

Question posed in Injera (Wikipedia), History.

Open Naan

Why It Is Open Naan is an ancient Persian flatbread; the word itself is generic Persian for bread. The only dated textual evidence in the source is the Indo-Persian Sufi poet Amir Khusrau's memoirs, written in India in the 1300s AD, which is an early attestation of naan being eaten in that region, not a record of when or where the bread itself was first made. No source found gives an actual invention date or place.

What Would Settle It A food-history or archaeological source establishing when leavened, oven-baked flatbread first appeared in Persia specifically (as opposed to the broader family of Middle Eastern and South Asian flatbreads), with a citable date or period.

Expertise Needed food history

Question posed in Naan (Wikipedia), Naan, Etymology and Varieties/Indian subcontinent sections.

Open Rogan Josh

Why It Is Open Wikipedia's Origin section documents rogan josh being brought to North India by the Mughals in the 16th century and becoming a staple of the Kashmiri wazwan, but narrates this as a continuing evolution (through a later British Indian restaurant form) with no year or reign given for when the dish's Kashmiri identity was established. No defensible closing year for the origin period was found in the source.

What Would Settle It A dated primary or secondary source (a Mughal-era or early colonial Kashmiri court or culinary record, or a peer-reviewed food-history study) naming when rogan josh became a recognized, named Kashmiri dish rather than an ongoing Persian import.

Expertise Needed Culinary history / South Asian history

Question posed in Rogan Josh (Wikipedia), Origin section, first paragraph.

Open Baba Ghanoush

Why It Is Open Wikipedia's own entry gives no dated origin claim for the dish itself; the only date in the article (1979) is Hans Wehr's dictionary entry for the WORD bābā ghanūj, not evidence of when the dish itself arose.

What Would Settle It A food-history source (e.g. Gil Marks or Charles Perry) dating the dish, as opposed to the term, to a specific period or century.

Expertise Needed food history

Question posed in Baba Ghanoush (Wikipedia), Etymology section.

Open Pita

Why It Is Open Wikipedia's own History section states there is no record of the pocket pita in ancient texts or medieval Arab cookbooks and that food historians such as Charles Perry and Gil Marks consider it "likely a later development," with no period or century named.

What Would Settle It A food-history source naming the period or region where the steam-puffed pocket technique was first documented, as distinct from the much older prehistoric Near Eastern flatbread lineage.

Expertise Needed food history

Question posed in Pita (Wikipedia), History section.

Open Chana Masala

Why It Is Open Wikipedia's own entry names the dish's regional home (the Indian subcontinent, North Indian and Pakistani cuisine) but gives no date or period for its emergence anywhere in the article.

What Would Settle It A food-history source dating chana masala's emergence as a named dish, as distinct from the much older general history of chickpea cookery in South Asia.

Expertise Needed food history

Question posed in Chana Masala (Wikipedia), Introduction.

Open Fattoush

Why It Is Open Wikipedia's article on fattoush cites a 10th-century Arabic cookbook by Ibn Sayyar al-Warraq recording a vegetarian tharid dish reminiscent of fattoush, and a late 19th-century description by Orientalist Reinhart Dozy of a bread-based dish close to today's fattoush, with the English word fattoush first attested in 1955. No source in the article fixes when the tharid-descended bread salad became the specific dish known as fattoush, so origin-start-year and origin-end-year are left unfilled rather than guessed from the loosely related medieval precedent.

What Would Settle It A food-historical study tracing bread salads in the Levant from the medieval Arabic tharid tradition through to the first clearly identified fattoush recipes, with dated textual evidence in between the 10th and 20th centuries.

Expertise Needed food history

Question posed in Fattoush (Wikipedia), History section: 10th-century Ibn Sayyar al-Warraq cookbook, late 19th-century Dozy description, 1955 English attestation.

Open Harira

Why It Is Open Wikipedia's article on harira reports that food historian Gil Marks attributes its origin to Morocco, calling this claim compelling but debatable, while Algerie Poste and the Andalusi scholar Ibn Razin al-Tujibi identify harira as an authentic Maghreb dish of Andalusian origin. The article gives no date range that both accounts would support, so origin-start-year and origin-end-year are left unfilled rather than guessed from either side of the dispute.

What Would Settle It A scholarly resolution of the competing Moroccan and Andalusian origin claims for harira, anchored to a specific dated text or archaeological finding rather than a named scholar's attribution alone.

Expertise Needed food history

Question posed in Harira (Wikipedia), Origin section: Gil Marks Morocco attribution and Ibn Razin al-Tujibi Andalusian attribution.

Open Cassoulet

Why It Is Open Wikipedia's article on cassoulet reports the popular tradition that cassoulet was invented in 1355 during a siege of Castelnaudary, then states plainly that in historical fact there was no siege and the Black Prince sacked and burned the town instead. The same article dates the term cassoulet itself to no earlier than the 19th century per the Dictionnaire de l'Academie francaise, with only the vague label medieval estouffet for an earlier related dish. No source bridges the medieval estouffet and the 19th-century named cassoulet, so origin-start-year and origin-end-year are left unfilled rather than built on the disproven 1355 legend.

What Would Settle It A documented dating of the transition from the medieval estouffet to the dish and name cassoulet, replacing the disproven 1355 siege legend with real textual evidence.

Expertise Needed food history

Question posed in Cassoulet (Wikipedia), History section: 1355 siege legend refuted, term dated no earlier than 19th century.

Open Gallo Pinto

Why It Is Open Costa Rica and Nicaragua each claim the dish with contradictory dates: Costa Rican tradition dates it to 1930s San Jose via a specific farmer's-feast origin story; Nicaraguan tradition holds it derives from a dish brought to the country by enslaved Africans considerably earlier. Wikipedia's own account calls the country of origin uncertain and disputed, and notes only general agreement that the dish's roots are Afro-Caribbean.

What Would Settle It A documented pre-1900 written or oral-history source placing a recognizable gallo-pinto-style rice-and-bean preparation in one country specifically, or a scholarly source adjudicating between the competing Costa Rican and Nicaraguan origin narratives.

Expertise Needed food history

Question posed in Gallo pinto (Wikipedia), History and Contention sections.