
Season beef - Pat beef cubes dry with paper towels, then sprinkle with salt and pepper.
Brown beef - Heat 1 tbsp oil until very hot in a large, heavy based pot over high heat. Brown beef aggressively in 2 or 3 batches, adding more oil if needed. Remove into a bowl.
Sauté - If the pot looks dry, add a touch more oil. Add garlic and onion, cook for 2 minutes. Add carrot and celery, cook for 2 minutes or until onion is translucent.
Flour - Stir in flour, then slowly pour in beef broth while constantly stirring.
Soup broth - Add beer, water, tomato paste, bay leaves and thyme, stir well. Then add the beef back in.
Simmer 1 hour 15 minutes - Cover with lid. Adjust heat to medium low so it's bubbling gently. Simmer 1 hr 15 min or until beef is pretty tender.
Simmer 20 minutes lid off - Add potatoes and peas, simmer for a further 20 minutes without the lid. Add cooked mushrooms in the last 5 minutes.
Finish - The soup is ready when the potatoes are cooked and beef is very tender (see video). Adjust salt and pepper to taste (I like lots of pepper in this!).
Serve - Ladle into bowls. Sprinkle with parsley and serve with crusty bread if desired. Try quick Cheesy Garlic Bread or super easy Irish Soda Bread!
Melt butter in a large skillet over medium high heat. Add mushrooms and cook for 5 minutes until browned. Sprinkle with salt and pepper.