01 -
Heat olive oil in a large skillet over medium heat. Add diced onion and minced garlic, sautéing until translucent and fragrant.
02 -
Increase heat to medium-high. Add ground beef and cook, breaking it apart with a wooden spoon, until fully browned. Drain excess fat as needed.
03 -
Add sliced cremini mushrooms, salt, black pepper, and Worcestershire sauce. Continue to cook until the mushrooms are soft and moisture is mostly evaporated.
04 -
Sprinkle flour evenly over the mixture. Stir thoroughly to combine, then gradually pour in beef broth. Stir constantly until the sauce is smooth and gently bubbling.
05 -
Reduce heat to low. Fold in sour cream until thoroughly blended, then simmer for about 5 minutes until the sauce thickens.
06 -
Cook egg noodles according to package directions, drain well. Toss with the stroganoff sauce or serve sauce ladled over noodles. Garnish with chopped parsley if desired.