Columns on the menu card will populate automatically as long as you have haven’t checked that tab in the settings, it will automatically spilt into two columns by default.

Do you mean you want columns elsewhere on the site, outside of the menucard via the shortcodes, like the example here – http://themeforest.net/item/the-restaurant/full_screen_preview/111482

[column size=”2×1″ title=”Column 2 x 1″]
Your content here
[/column]