How to loop through an arrayref returned from a helper directly in a template

gistfile1.txt

# the helper
  $app->helper(
    testarray => sub {
      my $self = shift;
      my @array = ("Quarter","Dime","Nickel");
      return \@array;
    }
  );


%# in the template
% my $arrayref = testarray;
% for (@$arrayref) {
  <%= $_ %> <br>
% }