Slow Cooker Beef Stroganoff

Slow Cooker Beef Stroganoff is one of those deeply comforting meals that slowly fills the kitchen with a rich, savory aroma you can’t help but linger around.

I still remember the first time I lifted the lid after hours of gentle cooking—the beef was fall-apart tender, sitting in a velvety, creamy sauce that immediately felt like comfort in a bowl.

Every bite carries layers of flavor: slow-braised beef, the gentle tang of Dijon mustard, soft roasted garlic, and the smooth richness of sour cream.

Served over egg noodles or fluffy mashed potatoes, it turns a simple evening into something warm, cozy, and deeply satisfying.

Key Ingredients in Slow Cooker Beef Stroganoff

• 1.75kg/ 3.5lb beef chuck or other stewing beef , cut in 4cm / 1.5” cube (Note 1)
• 1.5 tsp each salt and pepper
• 2 tbsp oil
• 20 g/ 1 tbsp butter , unsalted
• 1 large onion , halved then sliced into 1 cm / 2/5″ slices
• 4 garlic cloves , minced
• 7 tbsp flour , plain / all purpose
• 4 tbsp Dijon Mustard
• 1 litre / 1 quart beef stock/broth , reduced salt
• 1 1/2 cups sour cream , full fat best

Garlic Butter Mushrooms:

• 3 tbsp/ 45 g butter , unsalted
• 700 g / 1.2 lb mushrooms , sliced into 0.5cm thick slices
• 3 garlic cloves , finely minced
• 1/2 tsp salt and pepper

Serving:

• Pasta, wide egg noodles, mashed potato
• Chives for garnish

How to Slow Cooker Beef Stroganoff Step-by-Step

• Season beef generously with salt and pepper
• Sear beef in batches until deeply browned for maximum flavor
• Cook onion and garlic in butter until soft and fragrant
• Stir in flour and Dijon mustard to form a thick paste
• Slowly whisk in beef stock until smooth and lightly thickened
• Transfer everything into the slow cooker and add beef
• Cook on LOW for 8 hours or HIGH for 5 hours until tender
• Sauté mushrooms in butter, garlic, salt, and pepper until golden
• Temper sour cream with hot cooking liquid, then stir into stew
• Gently fold in mushrooms before serving

Here’s a quick overview of the cooking methods and serving ideas:

FAQ
Can I prepare it ahead of time? Yes, it tastes even better the next day as the flavors deepen and meld.
Can I replace sour cream? Greek yogurt works as a substitute, though it will be slightly tangier.
Is browning the beef necessary? It’s highly recommended because it builds a deeper, richer flavor base.

This Slow Cooker Beef Stroganoff is one of those recipes I return to whenever I want something reliable, hearty, and full of comfort. It’s simple to prepare, yet delivers a rich, slow-cooked depth that makes every bite feel like home.