Abstract: A method and package for simultaneously microwave heating or baking a plurality of articles such as brownies, cupcakes, muffins or cookies or the like. The method includes the steps of arranging the plurality of articles in a predetermined, vacant-center array within an ovenable container, non-sealingly enclosing the array of articles in the container so that the articles share a common headspace, and applying microwave energy for a sufficient period of time to effect the heating or baking. The method may further include preparing a bakeable batter, subdividing the batter into a plurality of equal portions with one portion in each of a plurality of like receptacles so that, upon being baked, each of the portions becomes one of the articles. A package is also provided to facilitate practicing the method.