Prepare the ingredients: 2 handfuls of dried chilies, 5 cloves of garlic, 2 inches of turmeric, 1 large red onion.
In a pan, heat some oil and add the prepared ingredients. Sauté until fragrant.
Add the sardines from the tin and cook for about 2-3 minutes without breaking them too much.
Add a little tamarind to give it some tanginess and mix well.
Season with salt and seasoning, then stir-fry until fully incorporated.
Add sliced red onion and fry until softened.
Cook the sambal for another 5-7 minutes or until thickened. If needed, add water to adjust consistency.
Let it cool slightly before serving with white rice.