You can easily list your recent blog posts in your order on a sidebar widget. Latest Posts with Order Option is the new WordPress widget plugin that allows you to show your latest blog posts in various order options.
Installation & Usage: Install and activate the plugin. After activation visit your admin area Dashboard -> Appearance -> Widgets page and drag its widget to a widget area.
You can choose the number of posts to show and their order by Id, Entry, Title and Date. The plugin also allows you to choose a custom widget title and display its description in the front-end.