Codfish Salad #1 (Ensalada de Bacalao)

1-1/2 lbs. pork, sliced3 cloves garlic2 tsp. dried oregano leaves2 tsp. salt1/4 tsp. pepper3 T. achiote oil1/3 C. round onion, diced1/2 c. green onions, chopped1/2 c. Chinese parsley, minced1 (8-oz.) can tomato sauce2 to 3 Hawaiian chili peppers1 (2-1/4-oz.) can sliced ripe olives, drained With a mortar and pestle, grind together the garlic, oregano, salt…