Spring vegetable, feta and miso-sesame galette

Name: Spring vegetable, feta and miso-sesame galette
Prep time: 45 min
Cook time: 30 min
Total time: 1 h 15 min
Cuisine: European, Mediterranean, Asian
Ingredients: 150g plain flour, plus extra to dust; 50g plain wholemeal flour; 80g ground almonds; 1 tbsp sesame seeds, plus extra to sprinkle; ½ tsp salt; 170g unsalted butter, wrapped in foil, then frozen for at least 1 hour; 1 medium free-range egg, beaten; 50ml ice-cold water; 2 garlic cloves, crushed; 1½ tbsp miso paste; 2 tbsp tahini; 2 tbsp olive oil; 250g peas (defrosted if frozen); 200g asparagus spears, woody parts removed; 100g feta, crumbled