diff --git a/src/Twig/AppExtension.php b/src/Twig/AppExtension.php
index 1a08554..3208b73 100644
--- a/src/Twig/AppExtension.php
+++ b/src/Twig/AppExtension.php
@@ -2,11 +2,11 @@
 
 namespace Krzysiej\RyobiCrawler\Twig;
 
-use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Collection;
 use Krzysiej\RyobiCrawler\Models\Price;
 use Krzysiej\RyobiCrawler\Models\Product;
 use Krzysiej\RyobiCrawler\Models\Stock;
+use Symfony\Component\Routing\RouterInterface;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
 use Twig\TwigFunction;
@@ -15,6 +15,10 @@ use function Symfony\Component\Clock\now;
 
 class AppExtension extends AbstractExtension
 {
+    public function __construct(public RouterInterface $route)
+    {
+    }
+
     public function getFunctions(): array
     {
         return [
@@ -23,6 +27,7 @@ class AppExtension extends AbstractExtension
             new TwigFunction('newCount', [$this, 'newCount']),
             new TwigFunction('discontinuedCount', [$this, 'discontinuedCount']),
             new TwigFunction('lowestPriceCount', [$this, 'lowestPriceCount']),
+            new TwigFunction('renderCategoryTree', [$this, 'renderCategoryTree']),
         ];
     }
 
@@ -56,7 +61,7 @@ class AppExtension extends AbstractExtension
     public function lowestPriceCount(): int
     {
         return Product::whereRaw('priceCurrent = priceLowest')
-            ->whereRaw('lastSeen = "'.now()->format('Y-m-d').'"')
+            ->whereRaw('lastSeen = "' . now()->format('Y-m-d') . '"')
             ->whereRaw('priceCurrent < productStandardPrice')
             ->count();
     }
@@ -65,4 +70,27 @@ class AppExtension extends AbstractExtension
     {
         return $items->first(fn($item) => str_starts_with($item->created_at, $date));
     }
-}
\ No newline at end of file
+
+    public function renderCategoryTree($categories, $level = 0): string
+    {
+        $tree = '';
+        if ($level == 0) {
+            $tree .= '<ul class="list-group">';
+        }
+        foreach ($categories as $categoryName => $category) {
+            $tree .= '<a class="list-group-item list-group-item-action text-decoration-none ms-' . ($level * 2) . '" href="' . $this->route->generate('app_category', ['category' => $categoryName]) . '">' . $categoryName . ' <span class="badge bg-primary rounded-pill">' . $category['count'] . '</span></a>';
+
+            unset($category['count']);
+            if (is_array($category) && count($category) >= 1) {
+                foreach ($category as $subcategoryName => $subCategory) {
+                    $tree .= $this->renderCategoryTree([$subcategoryName => $subCategory], $level + 1);
+                }
+            }
+        }
+        if ($level == 0) {
+            $tree .= '</ul>';
+        }
+        return $tree;
+
+    }
+}
diff --git a/templates/productList.html.twig b/templates/productList.html.twig
index 1d349f5..71d1c92 100644
--- a/templates/productList.html.twig
+++ b/templates/productList.html.twig
@@ -1,7 +1,12 @@
 {% extends "template.html.twig" %}
 
 {% block content %}
-{% cache 'list_' ~ listType %}
+{#{% cache 'list_' ~ listType %}#}
+
+{%  if listType starts with 'category_' %}
+    {{ renderCategoryTree(categoryTree) | raw }}
+{% endif %}
+
 <div class="table-responsive">
     <table class='table table-hover'>
         <thead>
@@ -66,5 +71,5 @@
         {% endfor %}
     </table>
 </div>
-{% endcache %}
+{#{% endcache %}#}
 {% endblock %}