Slow Cooker Beef Stroganoff with Garganelli Pasta

Like most stroganoffs, this one tastes even better when it cools in the sauce and is reheated and served the next day.

  • Active:
  • Total Time:
  • Servings: 4
KEY: Stewing, Soups & Stews, American, Dinner, Web Exclusive, Fall, Winter, Gluten-Free

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  • 1 pound sirloin steak, cut into 2-inch strips
  • Kosher salt
  • Freshly ground black pepper
  • 3 tablespoons all-purpose flour
  • 2 tablespoons unsalted butter, plus more for buttering noodles
  • 1 tablespoon extra-virgin olive oil
  • 1 pound white button mushrooms, thinly sliced
  • 1 large sweet yellow onion, thinly sliced
  • 4 large garlic cloves, thinly sliced
  • 1/2 cup dry white wine
  • 2 cups low-sodium beef broth
  • 1 tablespoon Worcestershire sauce
  • 1 tablespoon Dijon mustard
  • 3/4 pound garganelli pasta
  • 1/2 cup sour cream 
  • Kosher salt
  • Freshly ground black pepper
  • Flat leaf parsley, coarsely chopped

How to make this recipe

  1. Generously season the sirloin with salt and pepper and place into a bowl with the flour. Toss the pieces evenly to coat, lightly tap off the excess flour, and set aside.
  2. In each of 2 large skillets, melt 1 tablespoon of the butter and 1/2 tablespoon of the olive oil over medium heat. Add the mushrooms, onions, and garlic to one pan and the seasoned sirloin to the other. Cook until the mushrooms and onions have lightly browned, about 5 minutes. Cook the sirloin until the pieces are deeply browned, about 3 to 4 minutes per side. Add a 1/4 cup of the white wine to each skillet to deglaze the pans. Transfer the contents from each pan to a slow cooker. Add the beef broth, Worcestershire sauce, and mustard to the pot and cook on high for 3 hours or on low for 6 hours, until the sirloin is very tender.
  3. Bring a pot of salted water to a boil, cook the pasta until al dente and drain. Transfer the pasta to one large serving dish. Stir some butter into the noodles and top with the stroganoff. Swirl in the sour cream and season with salt and black pepper to taste. Garnish with chopped parsley and serve.

Make Ahead

The stroganoff can be refrigerated for up to 3 days.

Contributed By Photo © Sarah Bolla Published January 2014

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