Persian Flatbread with Herb and Walnut Dip

Name: Persian Flatbread with Herb and Walnut Dip
Prep time: 20 min
Cook time: 2 h 35 min
Total time: 2 h 35 min
Yield: 4 portions
Ingredients: 430 g water; 20 g fresh yeast; 10 g honey; 510 g strong white bread flour; 1 tsp fine sea salt; polenta, coarsely ground; oil; bread flour; 1 tsp bicarbonate of soda; 2 Tbsp sesame seeds; 2 Tbsp poppy seeds; 100 g walnuts, halved; 10 g fresh basil leaves; 5 g fresh tarragon leaves; 10 g fresh mint leaves; 10 g fresh coriander leaf; 10 sprigs fresh chives; 200 g feta cheese; 50 g olive oil