Traditional Austrian Beef Goulash soup

Ingredients

• 45ml (3 tbsp) olive oil
• 3 (600g) medium onions, chopped
• 5ml (1 tsp) garlic, finely chopped
• 15ml (1 tbsp) tomato paste
• 15ml (1 tbsp) paprika
• 2,5ml (½ tsp) ground cumin
• 2,5ml (½ tsp) marjoram
• 2,5ml (½ tsp) thyme
• 2,5ml (½ tsp) cayenne pepper (optional)
• 250g boneless, cubed beef
• 60ml (¼ cup) red wine
• 1L (4 cups) warm beef stock
• 3 (660g) medium potatoes, peeled and diced
• salt and pepper