It has happened to me countless times that I didn't know all the crafting recipies, or I sold items that I didn't know I could use for crafting.
And I am not going to waste my time looking through the recipies to see if there are any that I could craft that I didn't know about.

My suggestion is simple, I think that the crafting area should have a drop down, in which you could see all the things that you could craft at the moment, OR there could be an option called "show only recepies that I can craft" and if you check it, it will only show the ones that you can craft.

I think that this would be a great addition to the crafting area and will help a lot of players who have tons of materials, but don't know if they can use them for crafting.

If you like the idea, consider supporting, if you do not support, please tell me why in comments