| 3 tablespoons vegetable oil |
| 2 carrots, peeled and chopped |
| 1 tart apple, MacIntosh or Granny Smith, cored and chopped |
| 1/2 pound uncooked scallops, cleaned |
| 1/2 pound uncooked medium shrimp, shells removed, cleaned |
| 1 tablespoon tomato paste |
| 1 tablespoon curry powder, or more to taste |
| 1 pound dried fettuccine pasta, cooked according to directions |