Zucchini Puree - cooking recipe

Ingredients

1 1/2 lbs zucchini, cut into 1-inch chunks
1 1/2 tablespoons butter
1 cup finely-minced onion
1/2 teaspoon salt (more, to taste)
1/4 teaspoon black pepper (or less)
1/4 teaspoon basil (or less)
1/4 teaspoon tarragon (or less)
1/4 teaspoon thyme (or less)
2 cups milk, heated but not scalded
1 teaspoon tamari

Preparation

Steam the zucchini until just tender. (Steam it over, not in, water).
Saute the onion in butter, with salt, until soft(5 minutes or so).
Puree all ingredients until smooth- in blender or food processor.
Heat gently (don't cook it) just before serving.