Even that slimmest of slim corners of the kitchen can be transformed into a storage boon. At only 4 inches wide, this DIY cabinet perfectly houses spices, oils, and more. You can knock this pull-out together this weekend with some wood boards, dowels, castors, and this tutorial. While it's safe to store most foods next to a fridge, avoid storing canned goods on a shelf like this, and keep them in cool pantry or cupboard instead.