flask-security/flask_security/templates/security/passwords/new.html

{% include "security/messages.html" %}
<h1>Send reset password instructions</h1>
<form action="{{ url_for('flask_security.forgot_password') }}" method="POST" name="forgot_password_form">
  {{ forgot_password_form.hidden_tag() }}
  {{ forgot_password_form.email.label }} {{ forgot_password_form.email }}
  {{ forgot_password_form.submit }}
</form>