Heat 2 tablespoons oil in a large pot over medium-high heat. Add the diced onions and fry for 4-5 minutes, stirring occasionally, until translucent.
Add 500 g minced meat and fry for 3-5 minutes, breaking it up with a spoon, until browned. Season with salt, pepper, Fondor, onion salt, paprika powder, curry powder, and ½ tablespoon mustard.
Pour in 625 ml water, bring to a boil over high heat, and dissolve 3 teaspoons instant meat stock in the water.
Add 250 g spiral noodles and stir well. Cover the pot with a lid, reduce heat to low, and cook for 15-20 minutes, stirring occasionally, until the noodles are tender.
Remove from heat and stir in 250 g sour cream until well combined.
Sprinkle with the chopped parsley. Serve with a cucumber salad on the side.