Cook egg noodles according to package directions in a large pot of salted water and drain.
While noodles cook, finely dice onion and form halal ground lamb with onion, salt, and pepper into 12 meatballs, then brown them in olive oil in another skillet over medium-high heat for 6 minutes, turning occasionally.
Pour crushed tomatoes into skillet with meatballs, reduce heat to medium-low, and simmer for 8 minutes.
Stir in sour cream and fresh dill, warm through without boiling, then toss noodles with sauce and meatballs to serve.