diff -u b/src/Plugin/Field/FieldFormatter/MenuLinkFormatter.php b/src/Plugin/Field/FieldFormatter/MenuLinkFormatter.php
--- b/src/Plugin/Field/FieldFormatter/MenuLinkFormatter.php
+++ b/src/Plugin/Field/FieldFormatter/MenuLinkFormatter.php
@@ -5,7 +5,7 @@
 use Drupal\Core\Field\FieldItemListInterface;
 use Drupal\Core\Field\FormatterBase;
 use Drupal\Core\Link;
-use Drupal\Core\Url;
+use Drupal\Component\Render\HtmlEscapedText;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Menu\MenuLinkManagerInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
@@ -118,13 +118,12 @@
       $id = $items[$delta]->getMenuPluginId();
       $link = $this->menuLinkManager->createInstance($id);
       if ($this->getSetting('link_to_target')) {
-        $url = $link->getUrlObject();
+        $elements[$delta] = Link::fromTextAndUrl($link->getTitle(), $link->getUrlObject())->toRenderable();
       }
       else {
         // Set URL to none if we don't want to link to the menu link target.
-        $url = new Url('<none>');
+        $elements[$delta] = ['#markup' => new HtmlEscapedText($link->getTitle())];
       }
-      $elements[$delta] = Link::fromTextAndUrl($link->getTitle(), $url)->toRenderable();
     }
     return $elements;
   }
only in patch2:
unchanged:
--- a/config/schema/menu_link.schema.yml
+++ b/config/schema/menu_link.schema.yml
@@ -1,3 +1,22 @@
+field.formatter.settings.menu_link:
+  type: mapping
+  label: 'Menu link formatter settings'
+  mapping:
+    link_to_target:
+      type: boolean
+      label: 'Enable link'
+
+field.formatter.settings.menu_link_breadcrumb:
+  type: mapping
+  label: 'Menu link breadcrumb formatter settings'
+  mapping:
+    link_to_target:
+      type: boolean
+      label: 'Enable links'
+    parents_only:
+      type: boolean
+      label: 'Only show the parents of the menu link'
+
 field.storage_settings.menu_link:
   type: mapping
   label: 'Menu link settings'
only in patch2:
unchanged:
--- /dev/null
+++ b/tests/src/Kernel/Formatter/MenuLinkFormatterTest.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace Drupal\Tests\menu_link\Kernel\Formatter;
+
+use Drupal\Core\Menu\MenuTreeParameters;
+use Drupal\entity_test\Entity\EntityTestMul;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests the menu link field formatters.
+ *
+ * @group menu_link
+ */
+class MenuLinkFormatterTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['menu_link', 'entity_test', 'field', 'user', 'system', 'language'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->installEntitySchema('user');
+    $this->installEntitySchema('entity_test_mul');
+
+    FieldStorageConfig::create([
+      'field_name' => 'field_menu_link',
+      'entity_type' => 'entity_test_mul',
+      'type' => 'menu_link',
+    ])->save();
+
+    FieldConfig::create([
+      'field_name' => 'field_menu_link',
+      'entity_type' => 'entity_test_mul',
+      'bundle' => 'entity_test_mul',
+    ])->save();
+
+  }
+
+  /**
+   * Tests the menu_link and menu_link_breadcrumb field formatters.
+   */
+  public function testMenuLinkFormatters() {
+    $entity_test_mul = EntityTestMul::create([
+      'type' => 'entity_test_mul',
+      'name' => 'test',
+      'field_menu_link' => [
+        'menu_name' => 'test_menu',
+        'title' => 'test title 1',
+        'description' => 'test description',
+      ],
+    ]);
+
+    /** @var \Drupal\Core\Menu\MenuLinkTree $menu_tree */
+    $menu_tree = \Drupal::service('menu.link_tree');
+    $parameters = new MenuTreeParameters();
+    $parameters->addCondition('title', 'test title 1');
+    $entity_test_mul->save();
+    $result = $menu_tree->load('test_menu', $parameters);
+    $menu_link = reset($result);
+    // Add another entity as a child of the first one.
+    $entity_test_mul2 = EntityTestMul::create([
+      'type' => 'entity_test_mul',
+      'name' => 'test',
+      'field_menu_link' => [
+        'menu_name' => 'test_menu',
+        'parent' => $menu_link->link->getPluginId(),
+        'title' => 'test title 2',
+        'description' => 'test description 2',
+      ],
+    ]);
+    $entity_test_mul2->save();
+
+    // Test that the menu_link formatter outputs plain text.
+    $content = $this->renderLink($entity_test_mul2, 'menu_link', ['link_to_target' => FALSE]);
+    $this->assertRaw('<div>test title 2</div>', $content);
+
+    // Test that the menu_link formatter outputs a link.
+    $content2 = $this->renderLink($entity_test_mul2, 'menu_link', ['link_to_target' => TRUE]);
+    $this->assertRaw('<div><a href="/entity_test_mul/manage/2" title="test description 2" hreflang="en">test title 2</a></div>', $content2);
+
+    // Test that the breadcrumb formatter outputs links.
+    $content3 = $this->renderLink($entity_test_mul2, 'menu_link_breadcrumb', ['link_to_target' => TRUE]);
+    $this->assertRaw('<a href="/entity_test_mul/manage/1">test title 1</a>', $content3);
+    $this->assertRaw('<a href="/entity_test_mul/manage/2">test title 2</a>', $content3);
+
+    // Test that the breadcrumb formatter outputs plain text.
+    $content4 = $this->renderLink($entity_test_mul2, 'menu_link_breadcrumb', ['link_to_target' => FALSE]);
+    $this->assertRaw('test title 1', $content4);
+    $this->assertRaw('test title 2', $content4);
+    $this->assertNoRaw('<a href="/entity_test_mul/manage/1">test title 1</a>', $content3);
+    $this->assertNoRaw('<a href="/entity_test_mul/manage/2">test title 2</a>', $content3);
+
+    // Test that we skip the last element when parents_only is enabled.
+    $content5 = $this->renderLink($entity_test_mul2, 'menu_link_breadcrumb', ['link_to_target' => FALSE, 'parents_only' => TRUE]);
+    $this->assertRaw('test title 1', $content5);
+    $this->assertNoRaw('test title 2', $content5);
+  }
+
+  /**
+   * Renders a menu link field.
+   *
+   * @param $entity
+   *   The entity to render the link for.
+   * @param string $type
+   *   The ID of the field formatter.
+   * @param string $settings
+   *   The field formatter settings.
+   *
+   * @return string
+   *   The rendered output.
+   */
+  protected function renderLink($entity, $type, $settings) {
+    $display = entity_get_display('entity_test_mul', 'entity_test_mul', 'default')
+      ->setComponent('field_menu_link', [
+        'type' => $type,
+        'settings' => $settings,
+      ]);
+    $content = $display->build($entity);
+    return $this->render($content);
+  }
+
+}