Guild Wars 2

A new mystic forge called ‘the blender’ or ‘food processer’ in addition to the current forge. The blender blends two or twenty items together to produce anything! You just need the right items and mix of quantities. After blending your hodgepodge of things into mush, your mix may be cooked or reprocessed to get another thing or things.

We have the mystic forge and the cooking skill already……unless I really missed something we have what you suggested already.

If you want just random items that’s loot from killing npc’s?

but this thing can take two or twenty things at a time.