Plugin jekyll-feed not working with layout: default.html

Hi everybody,
I am a newbie in Jekyll. I followed Step by Step Tutorial, but the plugin jekyll-feed is working until I change in the index.html the layout from default into home; and for home I need the theme minima which is not used in this tutorial. I am wondering, is jekyll-feed only possible with the layout home?
Furthermore, I checked on internet the code of home.html to find whether the code as mentioned in Deployment is similar or needs an adaptation in the default.html:

{% feed_meta %}
{% seo %}

But, I did not find any similar. So, I need some advice.
Cheers and thank you in advance, Roberto