Slow Cooked Beef Casserole on a white plate
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5 from 1 vote

Slow Cooker Beef Casserole

A hearty, savoury Slow Cooker Beef Casserole with onions, leeks and mushrooms. Perfect for those cold winter nights.
Prep Time10 mins
Cook Time6 hrs
Total Time6 hrs 10 mins
Course: Main Course
Cuisine: British, French
Keyword: beef recipe, beef stew, casserole recipe, comfort food
Servings: 4 servings
Calories: 367kcal
Author: Dannii



  • 500 g braising steak cubed
  • 1 large onion cut into chunks
  • 1 large leek sliced
  • 10 mushrooms quartered
  • 2 garlic cloves crushed
  • 500 ml vegetable stock
  • 250 ml red wine (if you don't want to use wine, then add more stock)
  • 2 tbsp wholegrain mustard
  • 4 tbsp fresh rosemary chopped
  • 2 tbsp tomato puree (tomato paste)
  • 1 pinch sea salt and black pepper


  • Add some oil to a hot pan and add the beef and brown gently for 2 of minutes.
  • Add to the slow cooker, add the rest of the ingredients and cook on high for 6 hours.


Serving: 1portion | Calories: 367kcal | Carbohydrates: 13g | Protein: 28g | Fat: 18g | Saturated Fat: 8g | Cholesterol: 76mg | Sodium: 673mg | Potassium: 710mg | Fiber: 2g | Sugar: 5g | Vitamin A: 746IU | Vitamin C: 7mg | Calcium: 46mg | Iron: 4mg