What post migration step has likely been forgotten?

A Tableau CRM consultant has just completed deployment of an analytic app containing a recipe plus several datasets and dashboards. While conducting post deployment a smoke test, the new datasets don’t seem to have migrated.

What post migration step has likely been forgotten?
A . Apply security predicates on datasets
B . Run the recipe
C . Provide read access on the datasets
D . Go to Analytics Settings in Setup and approve the deployment

Answer: B