Granulated Sugar (Best Option)
1 teaspoon per 1 teaspoon powdered sugarGranulated sugar works because it provides the same level of sweetness as powdered sugar without introducing additional ingredients like cornstarch. The heat from the Hollandaise sauce helps dissolve the granules, maintaining the smooth texture.
To ensure smoothness, whisk the sugar thoroughly into the warm sauce and allow a brief rest to let the sugar dissolve completely. Avoid adding sugar too early to prevent graininess.
Compared to powdered sugar, granulated sugar may result in a slightly less smooth mouthfeel if not fully dissolved, but the flavor remains consistent and the sauce's emulsion is stable.