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–+ servings
Slow Cooked Steak Diane Casserole

Slow Cooked Steak Diane Casserole

A hearty and flavorful Slow Cooked Steak Diane Casserole that combines beef steak, mushrooms, and a creamy sauce for a comforting meal.
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Prep Time 15 minutes
Cook Time 7 hours
Total Time 7 hours 15 minutes
Course main dish
Cuisine American
Servings 6 servings
Calories 550 kcal

Equipment

  • Slow Cooker
  • Skillet

Ingredients
  

  • 2 pounds beef steak (such as sirloin or tenderloin)
  • 1 cup sliced mushrooms
  • 1 medium onion, chopped
  • 3 cloves garlic, minced
  • 1 tablespoon Dijon mustard
  • 1 cup beef broth
  • 1 cup heavy cream
  • 1 tablespoon Worcestershire sauce
  • 2 tablespoons olive oil
  • Salt and pepper to taste
  • Fresh parsley, chopped (for garnish)

Instructions
 

  • Prepare the Beef: Cut the steak into bite-sized pieces. Season with salt and pepper.
  • Sear the Steak: In a large skillet, heat olive oil over medium-high heat. Add the steak pieces and sear until browned on all sides.
  • Add Aromatics: Remove the steak from the skillet and add the chopped onion and minced garlic. Sauté until softened.
  • Combine Ingredients: In a slow cooker, add the seared steak, sautéed onions, garlic, sliced mushrooms, Dijon mustard, Worcestershire sauce, and beef broth. Stir to combine.
  • Slow Cook: Cover and cook on low for 6-8 hours or on high for 3-4 hours until the meat is tender.
  • Add Cream: About 30 minutes before serving, stir in the heavy cream.
  • Check Seasoning: Taste and adjust seasoning with additional salt and pepper if needed.
  • Serve: Once done, give it a gentle stir and top with fresh parsley before serving.

Notes

This casserole is perfect for family gatherings and can be made ahead of time for convenience.

Nutrition

Serving: 6servingsCalories: 550kcalProtein: 33gFat: 45g
Keyword beef casserole, comfort food, hearty meal, Slow Cooked Steak Diane Casserole, slow cooker recipe, stew
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