sidebar-for-bayou/layouts/partials/sidebar.html

<div class="sidebar">
    {{ partial "sidebar-items/recommendations.html" . }}
    
    <div class="sidebar-item">
        <header>
            <h1>About</h1>
        </header>
        <div>
            <p>This is some more stuff that goes here.</p>
        </div>
    </div>
    
    {{ partial "sidebar-items/links.html" (dict "title" "Books" "links" (index .Site.Data.blogrolls "books-that-are-cool"))}}
</div>