Moroccan filled bread rolls (Batbout)

Name: Moroccan filled bread rolls (Batbout)
Prep time: 30 min
Cook time: 2 h 40 min
Total time: 2 h 40 min
Yield: 8 pieces
Ingredients: 300 g water; 15 g fresh yeast; 500 g plain flour; 15 g salt; 2 tsp turmeric powder; 30 g fresh coriander; 30 g fresh mint; 30 g fresh flat-leaf parsley; 100 g onions; 30 g fresh coriander; 30 g fresh mint; 30 g fresh flat-leaf parsley; 50 g yellow peppers; 50 g red peppers; 300 g beef mince; 2 pinches salt; 2 pinches freshly ground black pepper; 2 tsp ground turmeric; 1 pinch ground cumin; olive oil