Final answer:
The narrator is learning to make rice by experimenting in the kitchen.
Step-by-step explanation:
The narrator is learning to make rice by experimenting in the kitchen. This can be inferred from the options given and the context provided. While observing a chef, reading a recipe book, and listening to a podcast can all be helpful in learning to make rice, the most direct and hands-on approach would be to experiment in the kitchen and learn by doing.