8 cottagecore kitchen ideas to instantly add a pretty rustic charm to your space. ‘As a general rule of thumb, you should stick to natural organic elements where possible,’ reveals Rudolph Diesel, Interior Designer at Rudolph Diesel London. And much like with the choice of cabinetry, wood is one of the key materials to use in a cottagecore kitchen. Think wooden cabinets, worktops and surfaces, benches, stools and accessories such as chopping boards.