Toast the nuts lightly in a dry frying pan, shaking and not letting them burn. Cool slightly and put in a food processor or blender. Add spices, grind.
With the engine running, pour in the oil and both types of cream. Stop the motor as soon as the sauce is smooth.
If you want to sweeten the sauce, add honey to taste and stir. If salty, add salt and stir. Serve with pancakes and pancakes, especially buckwheat ones.