Turkey’s biggest casual dining chain, Big Chefs, sold a minority share to an internationally backed private-equity firm, a sign that resilient consumer demand is drawing some investors to the country, despite July's failed coup rattling the economy. Meanwhile, leading Turkish ice-cream maker Mado is in advanced discussions with Bahrain-based Venture Capital Bank to sell a sizable minority stake, said Mr. Kotan, who is advising the Kahramanmaras-based deserts-and-food company.