wagtail_bakerydemo/bakerydemo/templates/base/form_page.html

{% extends "base.html" %}
{% load wagtailcore_tags %}

{% block content-header %}
    {{ page.title }}
    {{ page.intro|richtext }}
{% endblock content-header %}

{% endblock content-body %}
    <form action="{% pageurl page %}" method="POST">
        {% csrf_token %}
        {{ form.as_p }}
        <input type="submit">
    </form>
{% endblock content-body %}