Potato Dumpling Soup

For Dumplings

• 1/2 cup flour
• 1 egg
• 1 tablespoon milk
• 1/2 teaspoon salt
• 1/4 teaspoon white pepper
• 1/4 teaspoon nutmeg

For Soup

• 10 cups vegetable stock
• 2 carrots peeled and diced
• 2 celery stalks diced
• 1/2 red pepper chopped
• 1/2 green pepper chopped
• 1/2 onion chopped
• 2 lbs potatoes peeled and diced
• 1 1/2 cups peas frozen
• 2 teaspoons celery leaves chopped
• 1 tablespoon parsley chopped
• 1 tablespoon Dill chopped
• 1 cup sour cream
• salt + pepper to taste