The preparation of bagoong can vary regionally in the Philippines.
But preparations from different suppliers and practitioners may vary.
The preparation of zōni varies both by household and region.
The preparation of the mochi for the dish also varies by region.
The preparation of the flan or planchet has varied over the years.
Depending on the region of Mexico the preparation will vary.
A given snack may be part of a local culture, and its preparation and/or popularity can vary from place to place.
Its components and preparation vary regionally, if not from one family to another.
This is usually because recipes and preparation of the bread can vary a lot depending on bakery.
The educational preparation for archivists varies from country to country.