Yellow curry sauce (Dandelion restaurant)

Name: Yellow curry sauce (Dandelion restaurant)
Prep time: 10 min
Cook time: 55 min
Total time: 55 min
Yield: 4 portions
Ingredients: 3 stalks fresh lemongrass; 40 g fresh turmeric; 50 g fresh galangal; 10 makrut lime leaves; 50 g vegetable oil; 10 g Korean chilli paste (gochujang); ¾ tsp ground turmeric; 500 g coconut cream; 20 g palm sugar; 300 g coconut water; 1 tsp fish sauce; 1 - 2 pinches xanthan gum; 20 g freshly squeezed lime juice