This looks really good. I put eggs in my tuna, so this is a reversal. I made these and they were very good. I did not have regular yellow mustard, so had to use dijon, but I do not think it probably changed the flavor much. I will definitely make these again and also serve to guests and family at gatherings. For decoration, you could put small goldfish crackers around the serving tray. Memorial Day is coming up very shortly, and these tuna stuffed eggs will be on my menu list for sure. Thank you Figueroas for sharing this recipe.