Vegetable Beef Soup (Fall apart beef!)

Bahan-bahan (5 porsi)

• 1.5 tbsp olive oil (, separated)
• 500 g /1 lb stewing beef (, cut into 1.75cm / 2/3" cubes (Note 1))
• 1/2 tsp salt and pepper
• 1 onion (, chopped)
• 3 g arlic (, minced (1 tbsp))
• 2 celery (, cut into 0.8 cm / 1/3" slices)
• 3 carrots (, cut into 0.5 cm / 1/5" thick slices (halve larger ones))
• 4 tbsp flour
• 2 1/2 cups (625ml) beef broth/stock (, low sodium)
• 1 1/2 cups (375ml) dry red wine, Guinness beer or stout ((Note 2))
• 1.5 cups (375ml) water
• 2 tbsp tomato paste
• 2 bay leaves
• 1 tsp thyme dried
• 1 cup frozen peas
• 2 potatoes ((any), cut into 1.5cm / 2/3" cubes)
• 1 tbsp (15g) butter or oil
• 200 g / 6oz small mushrooms (, quartered or halved)