Crème fraîche (Best Option)
1:1 by volumeCrème fraîche is a cultured cream with a fat content similar to cream cheese but with a looser texture and a mild tang. Its acidity helps stabilize the Béarnaise sauce emulsion, preventing curdling. The creamy mouthfeel closely mimics that of cream cheese, making it an excellent substitute.
When using crème fraîche, gently incorporate it at the end of cooking to avoid breaking the emulsion. Avoid boiling the sauce after adding it to maintain smoothness.
The final Béarnaise sauce will be slightly lighter in texture but retain the characteristic tang and richness, making it nearly indistinguishable from the original version with cream cheese.