You can find guava pastelitos in nearly any Cuban bakery or ventanita. You might also try this sweet, distinctive fruit as a flavoring in local craft beers (Funky Buddha did a special guava pastelito collaboration, while Wynwood Brewing has created guava beers, to name a couple of examples). Schnebly Redland's Winery makes a Guava Wine. Counter Culture uses guava in its seasonal kombucha, sold at Pinecrest farmers market. Here are some other delicious guava treats.