Dairy-free Sour Cream
Soak raw cashews in water for at least 4 hours, 8+ is best. Drain and rinse water halfway through soaking time.
Drain and rinse cashews
Add soaked cashews to blender or food processor with vinegars, salt, .5 cup to 1 cup water (start with less and add more as needed), lemon juice, and salt. Blend on high until smooth and creamy.
To prevent motor from overheating, process for 30 seconds to 1 minute and pause blender or food processor for a couple minutes to cool, then resume and repeat process until mixture is as smooth as you can get it.