Pork with spice

1 tablespoon firmly packed brown sugar 2 teaspoons paprika 2 teaspoons cumin seeds , toasted and ground 2 teaspoons coriander seeds, toasted and ground 2[...]

3 garlic cloves 1/2 medium onion , chopped 2 canned chipotle chiles in adobo , finely chopped 3 tablespoons cider vinegar 2 tablespoons orange juice, freshly[...]