Dry toast coriander, cumin, black peppercorn, & green cardamom in a skillet for 5 minutes over medium heat.
Add the toasted spices to a spice grinder or mortar & pestle & grind into a powder. Set it aside.
Combine garlic, jalapeño, parsley, cilantro. Then, stir in the olive oil, salt, and reserved, whole spices.
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