Add Facebook Recommendation Box Plugin in Blogger 

Method To use Facebook Recommendation Bar

• Open your Blogger blog in which you want to use this gadget.
• Then open your blog layout and click on Add a gadget.
• New Widget will appear now find the option for Edit HTML/JavaScript
• In HTML box paste the below given code

<center>
<div id='fb-root'/>
<script>

//<![CDATA[
(function(d, s, id) {
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) return;
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/all.js#xfbml=1&appId=550805105002906";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
//]]>
</script>

<div class="fb-recommendations" data-site="https://www.facebook.com/muhammadali.tariq.3" data-action="likes, recommends" data-height="400" data-colorscheme="light" data-header="true"></div> 
</div></center>

 Some Customization of Widget

• Replace https://www.facebook.com/muhammadali.tariq.3 with your blog or website.
• To change your widget height change the value of data-height="400"
• To change color data-colorscheme="light" replace light with dark.