Grind all the ingredient for spice paste in the blender
Preheat a large skillet or wok with oil. Saute the spice paste, turmeric powder, lemon grass, bay leaves until really fragrant, about 5 minutes. Add in the coconut milk and kaffir lime leaves and bring to a boil and let it simmer for about 10 minutes. Add in the shrimp and cook until they turn color, about 1 minute or so. Add in vinegar, Salt and pepper to taste. It should be just slightly tangy and savory. Add more vinegar and/or salt if needed. Remove from the heat into serving bowl. Garnish with fried shallots crisp and serve immediately