Cuban Shredded Beef
["1 1/2 lb. flank steak", "1 1/2 (8 oz.) cans tomato sauce", "1 large onion", "1 large green pepper", "salt (use shakers)", "pepper (use shakers)", "olive oil"]
["Slice flank steak in strips (1/2-inch thick by 2 inches long). Use enough water to cover strips in pressure cooker.", "Close lid; cook on high until steam comes out.", "Put cap on lid; lower heat to medium.", "Cook over medium heat for 20 minutes."]
["flank steak", "tomato sauce", "onion", "green pepper", "salt", "pepper", "olive oil"]