Peel the garlic and ginger

Lightly toast the cumin, coriander and peppercorns in a dry frying pan on a medium heat.

until golden brown, then remove the pan from the heat.

Grind the toasted spices with a pestle and mortar until fine, or put them into a food processor and process to a powder

Process the toasted spices in a food processor with the rest of the ingredients until you have a smooth paste