Texas Grapefruit Upside-Down Cake
Texas grapefruits are redder and sweeter than other varieties, they're practically meant for gorgeous and refreshing desserts.
If you can't find superfine sugar, don't fret! It's very easy to make. Just pulse granulated sugar in a food processor until it's about the consistency of a powder. It's different from powdered sugar in that it contains no anti-caking agents.