– 1 large onion, cut into strips, divided – 2 bell pepper, cut into strips, divided – 1 teaspoon oregano (dry, ground) – 2 cloves garlic – ½ teaspoon pepper (freshly-cracked, or ground), (or more, to taste) – 2 teaspoon salt, (or more, to taste), divided – 2 pound beef tenderloin, [0.8 kg] (or flank) – ½ pound longaniza (pre-cooked), [0.23 kg] (or other pork sausage) – 1 small carrot, cut into strips – 4 tablespoons vegetable oil, (corn, soy or peanut) – 3 cups water, (may need a bit more) – 1 cup tomato sauce – 1 tablespoon all-purpose flour – ¼ cup pitted green olives – ⅛ cup capers, (optional) – 1 tablespoon minced parsley