Q. I’m hoping you can provide a recipe for the low-fat banana chocolate-chip coffeecake that was served at Starbucks during the summer months of 2006. I have had no luck finding it this summer. Can ...

Editor’s Note: High altitudes make cookies spread in the pan, cakes fall, and few baked goods turn out as they do at sea level. This twice-monthly column presents recipes and tips that make baking in ...