Chocolate goulash recipe: beef goulash with a hint of chocolate

Name: Chocolate goulash recipe: beef goulash with a hint of chocolate
Ingredients: 2kg chuck steak, cut into very large chunks, about 10cm square; 2 tbsp olive oil; 3 large carrots (1 finely diced, 2 cut into thirds); 1 stalk celery, finely diced; 1 large brown onion, thickly sliced; 4 cloves garlic, roughly chopped; 2 red capsicums, cut into large chunks; ¼ cup sweet paprika; 2 tbsp plain flour; 1 tsp Vegemite (optional); 1 tbsp dark soy sauce; 1 can (400g) whole peeled tomatoes; 1 litre beef stock; 2 bay leaves; 6 sprigs thyme; 75g dark chocolate; 500g potatoes, peeled and quartered; ¼ cup finely shredded parsley