diff --git a/plugin_type_example/src/Plugin/Sandwich/ExampleMeatballSandwich.php b/plugin_type_example/src/Plugin/Sandwich/ExampleMeatballSandwich.php
index 12edcfa..505e53c 100644
--- a/plugin_type_example/src/Plugin/Sandwich/ExampleMeatballSandwich.php
+++ b/plugin_type_example/src/Plugin/Sandwich/ExampleMeatballSandwich.php
@@ -3,6 +3,7 @@
 namespace Drupal\plugin_type_example\Plugin\Sandwich;
 
 use Drupal\plugin_type_example\SandwichBase;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 
 /**
  * Provides a meatball sandwich.
@@ -29,6 +30,9 @@ use Drupal\plugin_type_example\SandwichBase;
  * )
  */
 class ExampleMeatballSandwich extends SandwichBase {
+  // Include Drupal\Core\StringTranslation\StringTranslationTrait in order to
+  // so we can use $this->t() to translate strings in our plugin.
+  use StringTranslationTrait;
 
   /**
    * The day the sandwich is ordered.