Keep your tolerance to spice in mind when preparing this recipe, using lesser amounts of cayenne and chiles for moderate heat—or more if you enjoy very spicy foods.
Galangal is a rhizome that has a stronger, more citrusy flavor than ginger, which it resembles . If you are unable to find it, you can use more ginger. Using 2 each of the dried and fresh chiles creates a moderate heat for this paste; use more for extra spiciness.