Yes, keep them in an airtight container and use them within two months. Since bread crumbs that are made from scratch may contain a small amount of moisture, it's best to store them in the freezer. If stored in the pantry, the moisture can produce mold which can grow quickly. By storing them in an airtight container in the freezer, the breadcrumbs will stay fresh longer. Frozen breadcrumbs thaw quickly because they are so small. There is very little time needed for them to defrost so just toss them into your recipes as needed.