How to Hide Cooked - Recipe Management Admin Menus

function plt_hide_cooked_menus() {
	//Hide "Recipes".
	remove_menu_page('cooked_recipes_menu');
	//Hide "Recipes → All Recipes".
	remove_submenu_page('cooked_recipes_menu', 'edit.php?post_type=cp_recipe');
	//Hide "Recipes → Add New".
	remove_submenu_page('cooked_recipes_menu', 'post-new.php?post_type=cp_recipe');
	//Hide "Recipes → Categories".
	remove_submenu_page('cooked_recipes_menu', 'edit-tags.php?taxonomy=cp_recipe_category&post_type=cp_recipe');
	//Hide "Recipes → Settings".
	remove_submenu_page('cooked_recipes_menu', 'cooked_settings');
	//Hide "Recipes → Import".
	remove_submenu_page('cooked_recipes_menu', 'cooked_import');
	//Hide "Recipes → What's New?".
	remove_submenu_page('cooked_recipes_menu', 'cooked_welcome');
	//Hide "Recipes → Upgrade to Pro".
	remove_submenu_page('cooked_recipes_menu', 'cooked_pro');
}

add_action('admin_menu', 'plt_hide_cooked_menus', 11);

Where do I put this code?