Place the cashews mustard, nutritioal yeast, coconut oil, maple syrup, and salt into the bowl of a food processor. Blend until smooth, stopping to scrape down the sides of the bowl as needed.
Transfer the mixture to a sheet of plastic wrap. Gently wrap plastic around mixture and press it into a ball shape. Refrigerate for at least 4 hours.
Gently peel away plastic wrap and transfer the ball to a plate. Press pecan pieces into the surface, reshaping gently as needed.