Vegan khao soi soup

Name: Vegan khao soi soup
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: Thai
Ingredients: 4 hot red chillies (fresh or dried*) I used fresh; 6 garlic cloves; 5 cm / 2 " piece of ginger, peeled and roughly sliced; 4 tbsp / ¼ cup coriander stalks, chopped; 2 lemongrass stalks, white inner part only, roughly chopped; 2 small shallots, roughly chopped; 1 tbsp coriander seeds or ½ tsp ground coriander; 1½ tsp turmeric; 1 tsp curry powder (I used hot Madras curry powder); favourite noodles (GF if needed), 1.7 oz / 50 g per person; ½ head of broccoli, divided into florets; ½ butternut squash, peeled and sliced into dice; a large handful of flat green beans, cut on the diagonal; oil (I used peanut, for frying); about 750 ml / 3 cups of vegetable stock; 250 ml / 1 cup full fat coconut milk**; about 3 tbsp vegan fish sauce or tamari / soy sauce; juice of ½ lime; 1-2 tbsp sugar, I used coconut sugar; fresh coriander, to serve (optional)