parsley/app/views/ingredients/_form.html.erb

<%= form_for(@ingredient) do |f| %>

  <%= render partial: 'shared/error_list', locals: {model: @ingredient} %>

  <div class="form-group">
    <%= f.label :name, class: 'control-label' %>
    <%= f.text_field :name, class: 'form-control', autofocus: true %>
  </div>

  <div class="form-group">
    <%= f.label :density, class: 'control-label' %>
    <%= f.text_field :density, class: 'form-control' %>
  </div>

  <div class="form-group">
    <%= f.label :notes, class: 'control-label' %>
    <%= f.text_area :notes, class: 'form-control' %>
  </div>

  <div class="actions">
    <%= f.submit class: 'btn btn-primary' %>
  </div>
<% end %>