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Sirloin with Sour Cream Sauce Recipe

My in-laws raise beef for all their children, so I'm always looking for new ways to cook steak. This is an absolute favorite. It's so easy to fix, and the result is a tender steak smothered in a creamy onion and mushroom sauce. The aroma alone makes my husband's mouth water!
TOTAL TIME: Prep: 5 min. Cook: 30 min. YIELD:4-6 servings


  • 3 tablespoons all-purpose flour, divided
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1/2 teaspoon paprika
  • 1-1/2 pounds beef top sirloin steak, cut into serving-size pieces
  • 2 tablespoons vegetable oil
  • 1/2 cup chopped onion
  • 2 cups sliced fresh mushrooms
  • 1 garlic clove, minced
  • 2/3 cup water, divided
  • 2 tablespoons brown sugar
  • 2 tablespoons soy sauce
  • 1 teaspoon Dijon mustard
  • 1/2 cup sour cream
  • Hot cooked noodles or rice


  • 1. In a large resealable plastic bag, combine 2 tablespoons flour, salt, pepper and paprika; add beef and toss to coat. In a skillet, brown beef on all sides in oil. Add the onion, mushrooms, garlic, 1/2 cup water, brown sugar, soy sauce and mustard; cover and simmer for 10-15 minutes or until meat is tender. Remove meat to a serving platter and keep warm.
  • 2. Combine remaining flour and water until smooth; stir into skillet. Bring to a boil; cook and stir for 2 minutes or until thickened. Reduce heat; stir in sour cream. Heat gently (do not boil). Serve beef and sauce over noodles. Yield: 4-6 servings.

Nutritional Facts

1 serving (1 each) equals 271 calories, 14 g fat (5 g saturated fat), 76 mg cholesterol, 584 mg sodium, 11 g carbohydrate, 1 g fiber, 24 g protein.

Wine Pairings

Full-Bodied Red Wine

Enjoy this recipe with a full-bodied red wine such as Cabernet Sauvignon, Merlot or Syrah.