We've talked about an appliance garage with cabinets above, but I kind of like this sliding door option. [Thin sliding cabinet doors in a kitchen by Germany company Beeck Kuchen conceal countertop clutter.
Built-in bookcase for cookbooks! I just want built in bookcases in every room for books! I'll carry a book from one room to another and have a dedicated shelf for my current read. Although, having dedicated space for cookbooks is smart, too.