diff --git a/apps/Ajax/Controllers/AjaxController.php b/apps/Ajax/Controllers/AjaxController.php
index 6a6f5ab..60ab3b2 100644
--- a/apps/Ajax/Controllers/AjaxController.php
+++ b/apps/Ajax/Controllers/AjaxController.php
@@ -3,6 +3,7 @@
 namespace Lycoreco\Apps\Ajax\Controllers;
 
 use Lycoreco\Includes\BaseController;
+use Lycoreco\Includes\Model\ValidationError;
 
 class AjaxController extends BaseController
 {
@@ -32,8 +33,15 @@ class AjaxController extends BaseController
 
         try {
             $context['result'] = $action();
-        } catch (\Exception $ex) {
+        } 
+        catch (ValidationError $ex) {
+            $context['result'] = get_ajax_error($ex->getMessage(), 400);
+            return $context;
+        }
+        catch (\Exception $ex) {
+            http_response_code(500);
             $context['result'] = get_ajax_error($ex->getMessage());
+            return $context;
         }
 
 
diff --git a/apps/Ajax/Templates/ajax-result.php b/apps/Ajax/Templates/ajax-result.php
index fd5f3ae..4b3fdca 100644
--- a/apps/Ajax/Templates/ajax-result.php
+++ b/apps/Ajax/Templates/ajax-result.php
@@ -1,2 +1,2 @@
 <?php
-echo $context['result'];
\ No newline at end of file
+echo json_encode($context['result'], JSON_PRETTY_PRINT);
\ No newline at end of file
diff --git a/apps/Ajax/ajax-actions.php b/apps/Ajax/ajax-actions.php
index b2ee7cc..1e3f1aa 100644
--- a/apps/Ajax/ajax-actions.php
+++ b/apps/Ajax/ajax-actions.php
@@ -1,6 +1,9 @@
 <?php
 
-use Lycoreco\Apps\Recipes\Models\RecipeModel;
+use Lycoreco\Apps\Recipes\Models\{
+    RecipeModel,
+    RecipeUserMenu
+};
 
 function get_ajax_error($message, $error_code = 500)
 {
@@ -9,13 +12,14 @@ function get_ajax_error($message, $error_code = 500)
     $error = array();
     $error['error'] = $message;
 
-    return json_encode($error, JSON_PRETTY_PRINT);
+    return $error;
 }
 
 /**
  * Ajax actions
  */
-function ajax_search() {
+function ajax_search()
+{
     $search_query = $_POST['query'] ?? null;
     if (!isset($search_query)) {
         return get_ajax_error("Missing 'query' parameter.", 400);
@@ -37,5 +41,59 @@ function ajax_search() {
     $result['count'] = count($recipes);
     $result['result'] = $recipes;
 
-    return json_encode($result, JSON_PRETTY_PRINT);
-}
\ No newline at end of file
+    return $result;
+}
+
+function ajax_usermenu() 
+{
+    $recipe_id = $_POST['recipe_id'] ?? null;
+    $dayofweek = $_POST['dayofweek'] ?? null;
+
+    if (!CURRENT_USER) {
+        return get_ajax_error('You are not authorized', 401);
+    }
+    if (!isset($recipe_id)) {
+        return get_ajax_error("Missing 'recipe_id' parameter.", 400);
+    }
+    if (!isset($dayofweek)) {
+        return get_ajax_error("Missing 'dayofweek' parameter.", 400);
+    }
+    $result = array();
+
+    $user_menu = RecipeUserMenu::get(array(
+        [
+            'name'      => 'obj.recipe_id',
+            'type'      => '=',
+            'value'     => $recipe_id
+        ],
+        [
+            'name'      => 'obj.user_id',
+            'type'      => '=',
+            'value'     => CURRENT_USER->get_id()
+        ]
+    ));
+    // If user choose optiopn 'remove'
+    if($dayofweek == 'remove') {
+        if($user_menu) {
+            $user_menu->delete();
+            $result['success'] = 'This recipe was removed from your list';
+            return $result;
+        }
+        else {
+            return get_ajax_error("This recipe in your menu is not exists", 400);
+        }
+    }
+
+    // If not exists, add new recipe in user menu
+    if(!$user_menu) {
+        $user_menu = new RecipeUserMenu();
+        $user_menu->field_recipe_id = $recipe_id;
+        $user_menu->field_user_id = CURRENT_USER->get_id();
+    }
+
+    $user_menu->field_dayofweek = $dayofweek;
+    $user_menu->save();
+
+    $result['success'] = 'You have successfully added the recipe to your menu.';
+    return $result;
+}
diff --git a/apps/Recipes/Models/RecipeUserMenu.php b/apps/Recipes/Models/RecipeUserMenu.php
new file mode 100644
index 0000000..9d98187
--- /dev/null
+++ b/apps/Recipes/Models/RecipeUserMenu.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace Lycoreco\Apps\Recipes\Models;
+
+use Lycoreco\Includes\Model\BaseModel;
+
+class RecipeUserMenu extends BaseModel
+{
+    public $field_dayofweek;
+    public $field_recipe_id;
+    public $field_user_id;
+    public $field_created_at;
+
+    static protected $table_name = 'recipe_usermenu';
+    static protected $table_fields = [
+        'id'            => 'int',
+        'dayofweek'     => 'string',
+        'recipe_id'     => 'int',
+        'user_id'       => 'int',
+        'created_at'    => 'DateTime'
+    ];
+
+    public static function init_table()
+    {
+        $result = db_query('CREATE TABLE ' . static::$table_name . ' (
+            id INT AUTO_INCREMENT PRIMARY KEY,
+
+            dayofweek VARCHAR(150) NOT NULL,
+            recipe_id INT NOT NULL,
+            user_id INT NOT NULL,
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+
+            FOREIGN KEY (recipe_id) REFERENCES recipes(id) ON DELETE CASCADE,
+            FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+        );');
+        return $result;
+    }
+    public function valid()
+    {
+        require_once INCLUDES_PATH . '/Const/recipes.php';
+
+        if(!in_array($this->field_dayofweek, DAY_OF_WEEKS))
+            return ['Day of Week is not valid'];
+
+        $recipe = RecipeModel::get(array(
+            [
+                'name'      => 'obj.id',
+                'type'      => '=',
+                'value'     => $this->field_recipe_id
+            ]
+        ));
+        if(!$recipe)
+            return ['Recipe is not exists'];
+
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/includes/Const/recipes.php b/includes/Const/recipes.php
new file mode 100644
index 0000000..00f8e4c
--- /dev/null
+++ b/includes/Const/recipes.php
@@ -0,0 +1,5 @@
+<?php
+
+define('DAY_OF_WEEKS', array(
+    'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday'
+));
\ No newline at end of file