Add the cashews to a bowl and soak them in boiling water for at least 30 minutes.
Drain the cashews and add them to a food processor or blender. Add the remaining ingredients and blend very well until smooth and creamy.
Notes
TO STORE: Use air containers, preferably glass jars to refrigerate any leftover mayo and it will last you up to 5 days.TO FREEZE: Place leftover mayonnaise in a glass container and store it in the freezer for up to 2 months.