Okra, also known as lady’s fingers or bhindi outside the US, is the pretty pod of an annual grown in tropical and sub-tropical regions around the world. It originated in Ethiopia, from where it spread to the rest of Africa and then around the world; it voyaged to the New World on slave ships, with its alternative name, gumbo, which it gave to the local spicy soup—stews. Okra has a mild, sweet, vegetal flavor. When the pod is cut, a sticky juice is released; this helps to thicken cooked dishes in the same way as cornstarch. Okra is at its best in the heat of high summer. Look for small pods about 3–4in (7.5–10cm) long and appearing freshly picked, with a bright green color. Red okra may be slightly longer at 4–5in (10–12cm). Avoid dry, flaccid pods, as they will have lost their sweetness. Okra doesn’t keep well, so use the day you buy it, or store for no more than 1–2 days in a cool spot, not in the fridge. Fresh: Red okra can be eaten as a…