There’s magic in turning a beloved dish into a soup. Perhaps it comes from soup being such a natural comfort food, a balm for the soul as much as it is nourishment for the body. Or perhaps people just really like sipping things. Hard to say, but there’s no debate on how delicious Sirloin Stroganoff Soup tastes. All the flavors of the classic Eastern European dish are here, with the tender egg noodles and the tangy, creamy, beefy broth paired with hearty mushrooms to make a monumental meal. Of course, it can’t be Sirloin Stroganoff Soup without the savory seared steak, and there are plenty of bites of that swimming about in each bowl! Here’s just more evidence that making something into soup is a surefire way to make comfort food even more comforting!

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  • 5 tablespoons butter, divided
  • 1 pound beef steak, thinly sliced
  • salt, to taste
  • pepper, to taste
  • 1 small onion, finely chopped
  • 8 ounces baby portobello mushrooms, thinly sliced
  • 2 tablespoons all-purpose flour
  • 3 cups beef broth
  • 2 cups heavy cream
  • 1 tablespoon Worcestershire sauce
  • 6 ounces egg noodles
  • 1 cup sour cream
  • 1/4 cup parsley, finely chopped


Step 1 –Heat a soup pot over medium heat.

Step 2 –Melt 2 tablespoons of the butter in the pot.

Step 3 –Add the beef, seasoning it to taste with the salt and the pepper, and cook until it reaches your preferred doneness (at least 130 degrees F) and is just browned, about 2-3 minutes per side.

Step 4 –Transfer the steak and the juice to a plate.

Step 5 –Melt the remaining butter in the pot.

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Step 6 –Add the onions to the melted butter and cook until it is beginning to soften, about 5 minutes.

Step 7 –Add the mushrooms to the onions and cook until tender, about 5 minutes.

Step 8 –Season the onion mixture with the salt and the pepper.

Step 9 –Sprinkle the flour into the onion mixture and cook until the raw flour smell disappears, about 2 minutes.

Step 10 –Whisk the beef broth and the heavy cream into the onion mixture and bring to a boil.

Step 11 –Add the Worcestershire sauce to the onion mixture and season to taste with the salt and the pepper.

Step 12 –Add the noodles to the onion mixture and cook until al dente according to the package directions.

Step 13 –Transfer the pot from the heat and stir in the cooked beef, the sour cream, and the parsley.

Step 14 –Taste for seasoning and serve.