I think Southern Living or Cook's Illustrated carrot cakes are the best.
Here's the link for "dash of sanity" cake. It uses baby food carrots --32oz. which is 4 toddler size jars --expensive!! She says you can use real carrots. https://dashofsanity.com/best-ever-carrot-cake/
i don't think the picture of the cake looks like an attractive crumb at all. And with no added things (I don't use raisins either) it is pretty plain IMO.
Here's the SL recipe--look at the picture for a comparison.