Peas, Carrots, and Pearl Onions with Tarragon Butter

Procedure

1. Blanch the onions 20 seconds in boiling water. (Blanching makes them easier to peel.) Drain, refresh under cold water, and drain again. Peel the onions.
2. Bring salted water to a boil in a saucepan. Add the onions, return to a boil, reduce heat to a simmer, and simmer until tender. Drain, refresh under cold water, and drain again.
3. Pe