CleanSlate: Pull a feed from your blog while excluding certain labels in Liquid.

_exclude-labelled-blog-posts-liquid.html

{% assign blog = site | get_page: 1234 %} <!-- Change this ID to your blog_index page's ID -->
{% assign articles = blog.articles | filter_articles: tags: "dont-show-stuff-with-this-label", tags_match: "none", limit: 5 %}
{% if articles.length > 0 %}
  <ul>
    {% for article in articles.all %}
      <li><a href="{{ article.url }}">{{ article.name }}</a></li>
    {% endfor %}
  </ul>
{% else %}
  <p>No blog posts found. Try again later, perhaps?</p>
{% endif %}