We use Duncan Hines, Pillsbury, and Betty Crocker cake mixes depending on what ... poked in it after baking, usually using the end of a wooden spoon. In our recipe, strawberry Jello and Cool ...

Read all the stories from Slate’s 25 Most Important American Recipes ... cake’s gooey center. And so when, at some point in the following decades, Pillsbury discontinued its powdered frosting ...