Chunky bolognese

Name: Chunky bolognese
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: Italian, European, Mediterranean
Ingredients: 1 brown onion (approx. 150 g), cut into halves; 1 garlic clove; 20 g olive oil; 700 g tomato passata or sugo; 50 g tomato paste; 30 g water; 20 g Worcestershire sauce (optional - see Tips); 1 tbsp Meat stock paste (see Tips); 1 tsp dried oregano; 1 tsp dried basil; ⅛ tsp ground cinnamon; ½ tsp dried chilli flakes (optional); 1 pinch ground black pepper; 700 g beef mince, broken into pieces