Turkish Yoghurt Soup

Very easy to prepare refreshing, creamy, spicy and a little tart Turkish yoghurt soup (Yoğurt çorbası ).
1l beef stock
0,5 cup rice or noodles
1 egg
1,5tb.s. flour
1 cup (200ml) thick yoghurt
salt to taste
1 tb.s. dry mint
0,5tb.s. chilly pepper flakes
olive oil

Bring broth to boil and add rice or noodles. Cook around 15 minutes until rice/noodles is almost ready. Mix in a small bowl egg with flour and yoghurt, add mint and pepper. Cook, whisking occasionally for about 5-10 minutes longer. Serve with some olive oil and extra herbs, if desired.
It's very tasty!:)