In slow cooker pot, combine coconut milk, water, tomato sauce, fish sauce (or soy sauce), garlic, ginger, sugar, cayenne pepper, salt. Using a whisk, gently combine all ingredients together well to dissolve the tomato paste.Add chicken, potatoes and carrots.
Cook on High for 4-5 hours. Stir about 2 times during cooking. Depending on how thick you cut your potatoes and carrots, cooking time will vary. After about the 3rd hour, pierce the chicken, potatoes and carrots to check for tenderness.
Serve with rice, pasta, noodles or bread for dipping.