This is a recipe for crispy yet moist baked chocolate cookies that can be made with just two ingredients. Simply mix chocolate and cake flour, pipe the mixture, and bake in the oven. You can use various piping tips to create cute shapes and stylish patterns, and it's easy enough for beginners to make without failure. It's perfect for baking with children and is also recommended for Valentine's Day or as a small gift. During the summer months, it is recommended to store them in the refrigerator.