The Igbo delicacy soup made from the seasonal leaves of the Pterocarpus tree — thick with pounded cocoyam, rich with ancestral flavor, considered a celebration food across southeastern Nigeria.
For Igbo diaspora, oha soup is the soup that signals home in the most immediate way — it exists essentially nowhere except Igbo culture. When an Igbo woman makes oha soup in Atlanta or Houston, she is performing the deepest act of cultural maintenance.
Pterocarpus mildbraedii leaves contain 20-25% protein by dry weight — among the highest protein concentrations of any edible leaf. This makes oha soup a significant protein source in Igbo cuisine, particularly for non-meat-eaters. The Pterocarpus genus is pharmacologically active: Pterocarpus marsupium (Indian kino tree) bark has been used in Ayurveda for diabetes management for centuries, with human clinical evidence. P. mildbraedii hasn't been studied as extensively but the genus bioactivity suggests similar phytochemical class. The calcium content is relevant for bone health in Black American women with higher risk of hypovitaminosis D, which amplifies calcium deficiency.
Tear oha leaves carefully — do NOT chop with knife (bruising releases bitterness). Prepare cocoyam separately — peel, boil, pound smooth into a paste. Make broth with palm oil, assorted meat, crayfish, seasonings. Add cocoyam paste in small lumps. Add torn oha and uziza leaves in the last 5 minutes.
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