Scrub parsnips to remove dirt, peeling if desired.
Cut off tips and stems.
For large parsnips, quarter lengthwise and cut out the woody core.
Chop into 1/2 - 1 inch pieces.
Bring water to a boil. Blanch parsnips for 2-3 minutes.
Remove from water and cool in cold or ice water. Drain well and pat dry.
Place on tray and freeze in a single layer. (optional)
Place in freezer bags/containers.
Remove air, seal, label, and freeze.
Notes
To roast from frozen, toss with olive oil, garlic powder, onion powder, salt and pepper, and roast at 400°F (200°C) until tender and starting to brown.