Find cocoa pods in a jungle biome
Break the cocoa pods to collect cocoa beans
Craft or gather jungle wood logs
Place jungle wood logs in your desired spot
Hold the cocoa beans
Right-click or use the cocoa beans on the side of a jungle log
Make sure the log is facing the side where you want the cocoa pod to grow
Wait for the cocoa pod to grow through its stages
Harvest the cocoa pod when fully grown to get more cocoa beans