# Fill a pot with water, add some salt, and boil.
# Add orzo into the boiling water. Cook orzo for 10 minutes.
# In the meanwhile whisk the 
flour, 
yogurt and egg in a bowl until it turns smooth.
# Add this mixture into the soup slowly and stir.
# Peel the 
tomatoes, cut into so tinny cubes. (In the meantime stir the soup time to time.)
# Roast the 
tomatoes with oil over medium heat until soften.
# Add the roasted 
tomato into the soup, add dried mint and remaining salt and then cook for 5 more minutes. Serve hot.