Salsa verde with pasilla

This common Mexican salsa usually goes with fatty meats like pork. It adds a lovely sourness to fish and seafood as well.
You can also make a raw version of this salsa. However, it must be eaten the same day. Cooked, it keeps for a few days in the fridge.
Makes about 1 cup of salsa.
Ingredients
6 to 8 tomatillos
4 cloves garlic
1 Pasilla de Oaxaca or fresh Serranos
Salt to taste
Fresh cilantro (opt.)
Method
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1
Remove husk from tomatillos and wash well. Place in a small pot and cover with water. Add a little salt.
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2
Bring to a boil and cook on medium for 10 minutes. Remove from heat and cool.
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3
Meanwhile, grill garlic in a hot pan. Set aside.
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4
Cover Pasilla de Oaxaca with boiling water and let stand 15 minutes. If you’re using serrano, chop it finely.
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5
Place grilled garlic, chile and a little of the tomatillo cooking water in a blender and purée. Add cooked tomatillos one at a time and blend until smooth.
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6
Add a little cilantro if desired.
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7
Taste and add salt if necessary.