Package design that enables convenient food solutions is shifting once more. This is largely because the concept of what consumers believe is convenient has changed considerably. In the 1950s, a cake mix (instead of making a cake from scratch) offered convenience, and the packaging solution was a cake mix in a plastic bag within a paperboard carton. Now, convenience has a multifaceted meaning beyond ease of food preparation. The trends of on-the-go eating along with all-day snacking are driving …