php_laravel_laracasts/routes/web.php

<?php

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

$this->get('/tasks', function () {
    return Cache::remember('all-tasks', 1, function () {
        $tasks = \App\Task::all();
        return $tasks;
    });
});