Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown
4 x shallots peeled, and
  coarsely minced
1 Tbsp. tamarind paste softened with
  (use 1 tbspn lime juice if tamarind paste is not available)
1 x anchovy fillet
  (cod, halibut, or possibly snapper)
  seeded, and cut thin julienne strips