Because of all the food allergies in our family and the fact that I make almost everything from scratch, pantry storage is one of the most important spaces wherever we live. This house has a large open kitchen and dining room, but the cupboards are narrow and don't hold much, so other than one spice cupboard, we have no food stored in the cupboards. Instead, when we were moving in, we were blessed with to rather large bookcase that I immediately knew what I was going to do with them.
They were almost the same size and the shelf spacing was almost identical, so I screwed them together and gave them a paint job. We had a long, unused wall in our kitchen that became their home. This is my main pantry storage.
Notice my little coffee bar off to one side.
Whatever extra we have, plus all of our boxed and canned goods are stored in a little closet at the top of our stairs. This closet also holds my aprons, shopping bags, broom and mop.