Aadun is Yoruba food in its most direct form — roasted corn, palm oil, and fermented locust beans, pressed together. It doesn't look like what you've been told African food looks like. But this is a probiotic, anti-inflammatory corn preparation that Yoruba grandmothers have been making since before colonizers arrived to rename everything.
Aadun is a tier-3 food accessible primarily through Yoruba-Nigerian diaspora communities in the US. However, the understanding that Yoruba people — one of the largest ancestral groups in the Black American population, given Yoruba-region captives' prominence in the transatlantic trade — had a fermented corn and palm oil tradition fundamentally similar to (but more probiotic than) Southern corn cake traditions is historically significant.
Red palm oil provides the densest natural source of provitamin A carotenoids available in any food — 500 mcg beta-carotene per tablespoon, 15x higher than carrots by weight. Vitamin A deficiency is prevalent in communities with limited dietary fat (fat is required for carotenoid absorption), and West African palm oil-based foods historically prevented the blindness, immune failure, and poor pregnancy outcomes associated with deficiency. The Bacillus subtilis in fermented iru (added to aadun) produces nattokinase-like fibrinolytic enzymes and GABA — providing both cardiovascular and neuroprotective benefits. Corn fermentation (even slight) begins starch gelatinization and phytic acid reduction, improving the glycemic response compared to unfermented cornmeal preparations.
Roast corn kernels until golden, then grind to coarse flour. Mix with red palm oil (1 cup oil per 4 cups corn flour), iru (fermented locust beans), ground crayfish, salt, and ground pepper. Mix thoroughly until a thick paste forms. Shape into balls or press into flat cakes. No cooking required after mixing — can be eaten immediately or stored. The palm oil preserves it at room temperature for several days.
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