One of the pleasures of home cooking is discovering that favorite, longed-for foods are not so out of reach, after all. Mango and sticky rice is one of these favorite foods — a dessert treat I would order whenever I could in Thai restaurants. But more often than not, it was unavailable. It wasn't the mango season, they would explain, or they didn't care to make such a common, homestyle dish. I craved it, but rarely ate it. Then I realized that I was being very, very silly. Surely this wasn't too difficult to make at home? Believe me, it is not. Here's how to make sweet coconut sticky rice in your own kitchen.