Use "Revert Widget Templates to default" for the "Blog" widget.
Note: After you have revert the widget to default, any previous customization done within the widget code will be lost.
This is a blog about all kinds of stuffs. Geeky stuffs, outdoor stuffs, do it yourself stuffs and many more. Keep calm and feel free to browse through the categories of posts (link provided above) or search this site using the search box. If you want to follow the updates of this blog, you can subscribe to this blog updates.