Eru / okok — the wild vine leaf of Cameroon and Nigeria with the highest protein content of any commonly eaten African leafy vegetable. The primary green in Cameroon's celebrated eru soup.
For Cameroonian and Ibibio/Efik diaspora, eru and afang soup are home. The specific preparation (finely shredded leaves, palm oil-based, with water leaves as the second vegetable component) is a culinary signature that identifies these communities. In Washington DC, Houston, and Atlanta, finding frozen eru at a West African market is finding home.
Gnetum africanum leaves have been analyzed across multiple African agricultural research institutions and consistently show 18-20% protein dry weight — the highest protein concentration of any commonly consumed African leafy vegetable. This makes eru soup a significant plant protein source in vegetable-based diets. The protein quality includes essential amino acids, making it a near-complete plant protein. The high calcium and iron content supports maternal health — eru soup is carried to pregnant and postpartum women in Cameroonian and Ibibio tradition. The phytochemical content includes antioxidant flavonoids with anti-inflammatory activity.
Shred eru leaves finely before cooking (this is the traditional and pharmacologically appropriate preparation — shredding ruptures cell walls for better nutrient release). Sauté with palm oil, crayfish, meat, and water leaves. Available as frozen shredded eru at African grocery stores in US cities with Cameroonian or southeastern Nigerian communities.
Free, no account needed to ask.