Pepper, Onion and Sausage Galettes

Name: Pepper, Onion and Sausage Galettes
Prep time: 30 min
Cook time: 2 h 30 min
Total time: 2 h 30 min
Yield: 8 portions
Ingredients: 440 g plain flour; ¾ tsp fine sea salt; 2 tsp fresh thyme leaves; 220 g unsalted butter; 70 - 100 g water; 400 - 500 g red onions; 30 g olive oil; 350 - 400 g red peppers; 350 - 400 g courgettes; 1 tsp fine sea salt; ½ tsp ground black pepper; 400 g raw sausages; 1 Tbsp milk