1. Peel and trim onions.
2. Chop onions into desired sizes.
3. Blanch onions by submerging them in boiling water for 2 minutes, then immediately transferring to an ice bath.
4. Drain onions and pat dry.
5. Transfer onions to freezer bags or airtight containers, pressing out any excess air.
6. Freeze for up to 12 months.
1. Trim leeks, removing the dark green tops and root ends.
2. Wash leeks thoroughly, removing any dirt or debris trapped between layers.
3. Chop leeks into desired sizes.
4. Blanch leeks by submerging them in boiling water for 3 minutes, then immediately transferring to an ice bath.
5. Drain leeks and pat dry.
6. Transfer leeks to freezer bags or airtight containers, pressing out any excess air.
7. Freeze for up to 12 months.