Combine fresh herbs with butter or olive oil.Fill butter stick, freeze and squeeze to cut off "coin" size frozen portions, grate to add to your dish or coat your cooking pan directly. Convenient conical shape designed to "push-up" butter as needed. Lid securely holds in ingredients before they freeze and keeps butter secure in ice chests for picnics and BBQs. Write the date and ingredients on the lid. Easily rub off or wash off with next use. FDA approved siliconeis flexible and reusable. Slim design saves freezer space. Fits easily into freezer drawers and trays. Recipe and instruction included. Dishwasher safe.