NYT Cooking: This Brazilian stroganoff is a riff on the classic Russian-American beef, mushroom and sour cream stew that was considered peak haute cuisine in the United States during the 1950s. In Brazil, stroganoff is often made with beef, chicken or shrimp, but with a tomato base and heavy cream instead of sour cream. The biggest difference is in the accompaniments: The stew is served with rice and topped wi