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A top-down view of a rustic ceramic bowl filled with creamy slow cooker beef stroganoff served over tender egg noodles, garnished with fresh chopped parsley and surrounded by herbs and spices on a wooden table.

Best Ever Slow Cooker Beef Stroganoff

When you need a warm, comforting meal that practically cooks itself, nothing beats a classic slow cooker beef stroganoff. Imagine tender, melt-in-your-mouth beef simmered in a rich savory broth with garlic, onions, and fresh mushrooms, all finished with a velvety sour cream sauce.
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Prep Time 10 minutes
Cook Time 8 hours
Total Time 8 hours 10 minutes
Servings: 6
Course: Main Course
Cuisine: American
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 2 lbs beef stew meat or sirloin cut into bite-sized pieces
  • 8 oz fresh mushrooms sliced
  • 1 medium onion finely chopped
  • 2 cloves garlic minced
  • 1 cup beef broth
  • 3 tsp Worcestershire sauce
  • 1 tbsp Dijon mustard
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 tsp paprika optional
The Creamy Finish
  • 1 cup sour cream
  • 2 tbsp all-purpose flour or cornstarch
  • 2 tbsp butter optional, for extra richness
For Serving
  • Cooked egg noodles mashed potatoes, or white rice
  • Fresh parsley chopped for garnish

Method
 

  1. Add the beef pieces, sliced mushrooms, chopped onion, minced garlic, beef broth, Worcestershire sauce, Dijon mustard, salt, black pepper, and paprika to a 6-quart slow cooker. Stir well to combine all ingredients and coat the meat.
  2. Cover and cook on LOW for 7-8 hours or on HIGH for 4-5 hours, until the beef is fork-tender.
  3. About 30 minutes before serving, whisk the sour cream and all-purpose flour together in a small bowl until completely smooth. Stir this mixture directly into the slow cooker. Add the butter at this stage if using.
  4. Cover and continue cooking on LOW for the remaining 30 minutes until the sauce bubbles, thickens, and becomes beautifully creamy.
  5. Spoon the hot beef stroganoff over a warm bed of cooked egg noodles (or mashed potatoes/rice) and garnish with fresh chopped parsley.

Notes

  • Sear for Flavor: If you have an extra 5 minutes, brown the beef in a hot skillet with a splash of oil before adding it to the crockpot to lock in the juices.
 
  • Use Fresh Mushrooms: Stick to fresh white button or cremini mushrooms. Canned mushrooms get too mushy during the long cooking process.
 
  • Don't Add Sour Cream Too Early: Dairy can separate or curdle if cooked on high heat for hours. Always add your sour cream mixture during the last 30 minutes of cooking.
 
  • Variations: You can easily swap the stew meat for ground beef or ground turkey for a more budget-friendly, quicker weeknight twist.