Matzo balls

1. 4 eggs
2. 60 ml (1/4 cup) carbonated water
3. 60 ml (1/4 cup) chicken fat (Schmaltz) or oil
4. 310 (1 ¼ cups) matzo crumbs
5. 5 ml (1 teaspoon) baking powder
6. 5 ml (1 teaspoon) kosher or regular salt

1. 3 L (12 cups) chicken broth
2. 1 small onion, finely chopped
3. 2-3 carrots, peeled and diced
4. 2-3 celery stalks, cubed
5. Fresh dill, to taste
6. Salt and pepper, to taste