# Recipes (/recipes)

Recipes are concrete, step-by-step builds for patterns we see most often in Plunk projects. Each one assumes you already understand the underlying [concepts](/concepts/workflows) and walks you through the exact API calls, workflow steps, and template variables involved.

<Cards>
  <Card title="Waitlist with confirmation email" href="/recipes/waitlist">
    Capture signups with a single tracked event, then automatically email each person who joins.
  </Card>

  <Card title="Sync unsubscribes to your database" href="/recipes/sync-unsubscribes">
    Keep your own user table in step with Plunk's subscription state using a webhook step.
  </Card>

  <Card title="Double opt-in" href="/recipes/double-opt-in">
    Add a confirmation step before a contact starts receiving marketing email, using `{{subscribeUrl}}`.
  </Card>
</Cards>