Dirty snow on a log

The hors de’oeuvre created when: one applies cream cheese, or similar product; which has been modified with a percentage of contrasting product e.g. herbs; to the concave surface of a prepared length of celery.

Related to: snow on a log

What did you bring to the potluck? I brought a platter of hors de’oeuvres; with broccoli, carrots, dirty snow on a log, ants on a log and chilled dip with crackers.