Vegetarian Matzo Ball Soup

Name: Vegetarian Matzo Ball Soup
Ingredients: 1/2 cup matzo meal or matzo ball mix; 2 eggs; 2 tablespoons vegetable oil; 2 tablespoons vegetable stock; 1 teaspoon salt (do not add if using matzo ball mix); 1/4 teaspoon pepper (do not add if using matzo ball mix); 2 tablespoons olive oil; 1 white onion, chopped; 2 celery stalks, sliced; 2 carrots, thinly sliced; 6 cups vegetable stock; Salt and pepper to taste; 1 bay leaf; 2 scallions, chopped; 1/4 cup chopped fresh parsley; Fresh dill sprigs, for garnish