Meatball soup or Supa topcheta(Bulgarian)

250 g of minced meat
2 tablespoons rice
1  onion
2 carrots
1 cup vermicelli
A grated tomato (tomato sauce, paste)
celery
parsley
1 tablespoon flour
1 egg
1 tablespoon yogurt (fresh) milk
black pepper
salt

Preparation:


Grate the onion, carrots and celery and put them to boil over low heat in 2 liters of water. At this time knead mince sweep with rice and pepper, make a small balls  and roll them in flour. Drop them in the vegetables after 10 minutes add the tomatoes and vermicelli. Beat egg with milk and pour into soup, stirring constantly, sprinkle with parsley and remove from heat.