Blanching vegetables before cooking helps them retain their color and flavor. For best results, cut the vegetables into uniform-sized pieces and blanch them in water that has come to a full boil. Here is a chart of blanching times for common garden vegetables.

Vegetable Type

Blanching Time

Asparagus

2–4 minutes, depending on size

Baby carrots

5 minutes

Bell peppers

2–3 minutes

Broccoli

3 minutes

Carrots, diced

3 minutes

Carrots, whole

5 minutes

Cauliflower

3 minutes

Celery

1–1½ minutes

Parsnips

2 minutes

Snow peas

30 seconds–1 minute

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