Stuffed Picnic Loaf

Name: Stuffed Picnic Loaf
Prep time: 20 min
Cook time: 4 h 50 min
Total time: 4 h 50 min
Yield: 6 portions
Ingredients: 300 g water; 2 tsp dried instant yeast; oil; 500 g strong white bread flour; 40 g unsalted butter; 2 tsp fine sea salt; 100 g red onions; 70 g olive oil; 2 tsp brown sugar; 80 g roasted red peppers, preserved; 200 g cooked chicken meat; 1 bunch fresh basil leaves; 30 g red wine vinegar; ¼ tsp fine sea salt; ¼ tsp ground black pepper; 30 g pitted black olives; 100 g cooked ham; 30 g rocket leaves; 50 g grated mozzarella