<%= form_for @plan, local: true, remote: true, html: { class: "edit_plan no-preloader" } do |form| %>

<% idx = 1 %> <%= form.fields_for :meals do |meal| %> <%= render "plans/meals/fields", object: meal, plan: form, idx: idx %> <% idx += 1 %> <% end %>

<% end %>