This noodle aash is popular in NW of Iran. It has a sour/sweet taste due to vinegar and prunes in it.. This is a noodle soup with cereals, meat balls, fried onions and dried mint.

Azerbaijani noodle aash
Ingredients
200g Persian noodles ) if it is not available you can use egg noodles instead of Persian noodles)
1 large onion or 2 small ones
200g ground beef
2 cups of cooked lentils, chickpeas and pinto beans
1 cup prunes
2 Tbsp plain flour
½ cup apple cider or grape vinegar
Salt- black pepper to taste
1Tbsp dried mint
1 Tsp turmeric
Oil

Method
In a big pot with 8 cups of water, add flour and bring it to a boil. Mix ground meat with one of grated onions. Combine together. Give small balls shape to the meat and fry them until they are brown.

Finely chop second onion and fry until golden. Keep some for the garnishing and use remaining for mixing with the soup.
Once water started to boil, add cooked cereals, all spices, prunes, oil, vinegar, fried onion, noodles, and meat balls. Cook it on low heat until soup is thick.
For the garnishing the soup, fry dried mint and garnish with fried mint and fried onion.