Step 1

In a large Dutch oven add the olive oil and butter and heat over medium-high heat. Add the beef sirloin pieces and generously season with salt and pepper. Cook until the meat is slightly browned, about 5 minutes. Using a slotted spoon transfer the meat to a plate.

Step 2

Add the mushrooms, onion, garlic, stir and saute until the vegetables soften, about 3 minutes.

Step 3

Add the Worcestershire sauce, smoked paprika, and the beef broth. Stir everything together, bring to a boil then add the beef back to the pot.

Step 4

Stir in the noodles and cook for about 8 minutes or until the noodles are cooked to your liking.

Step 5

In a small bowl whisk the sour cream together with about ½ cup of the hot soup then pour back into the pot and stir.

Step 6

Taste and adjust seasoning with salt and pepper as necessary. Garnish with parsley and serve.