Dressing will thicken slightly as it chills.
For a thicker consistency, add more mayonnaise or sour cream.
For a thinner dressing, add a small amount of milk or water.
If your kefir is very thin, consider straining it before using.
Storage
Store in an airtight container in the refrigerator for up to 5 days (up to 7 days maximum). Stir before serving if separation occurs.