Vegetable Stew with Herb Dumplings

Name: Vegetable Stew with Herb Dumplings
Prep time: 30 min
Cook time: 45 min
Total time: 1 h 15 min
Cuisine: British
Ingredients: 2 tablespoon(s) vegetable oil; 1 large onion, sliced; 2 large carrots, sliced; 3-4 - celery sticks, sliced; 500 gram(s) potatoes, medium, cut up; 14 ounce(s) can plum tomatoes; 750 milliliter(s) vegetable stock; 1 tablespoon(s) tomato puree; 1 teaspoon(s) paprika; 2 tablespoon(s) chopped parsley; salt, pepper; DUMPLINGS; 50 gram(s) butter; 125 gram(s) flour; 1 teaspoon(s) baking powder, heaped; 1 - egg, beaten