gistfile1.txt

var templateFn = _.template($('#navigation_template').html());

$(this.el).html(templateFn({model: this.model, templateFn: templateFn}));

<script id="navigation_template" type="text/template">
  <div>
    <%= model.escape('title') %>
    <% _.each(model.children, function(child) { %>
      <%= templateFn(child, templateFn) %>
    <% }); %>
  </div>
</script>