Cukecooker aids you in writing Cucumber scenarios.
It generates an HTML with your project's step definitions and lets you use them to write scenarios in a comfortable way, with autocomplete and text inputs for group matches.
You can think of it as a Cucumber IDE.
In your project root, which should contain a features folder, run this in a terminal:
If everything went well you should see
Done! Now open cukecooker-project.html in a browser.
Go ahead, try it!