What does it mean to dream about cooking burgers?

It might mean that you're hungry and are craving a burger.

Answer:

The burgers represent something ordinary and conventional, yet pleasing, that occupys your time. Other elements of the dream might suggest more specific meanings. For example, cooking burgers for a crowd might symbolize offering up your efforts for the benefit of others, while cooking alone might represent keeping the products of your labor all to yourself, etc.