In a food processor, add all ingredients except for the ground lamb. Pulse until fine chunks form, being careful not to over-process. Alternatively, finely chop by hand.
1 jalapeño, 4 cloves garlic, 1 medium onion, ½ cup parsley, ½ cup cilantro, 1 teaspoon ground allspice, 1 teaspoon ground coriander, 1 1/2 teaspoons ground cumin, 1/2 teaspoon 7 spice, 1 1/2 teaspoons sea salt, 1 teaspoon freshly ground black pepper