Cook the tomatoes over an open flame on the stove top until starting to blacken. Using tongs, take the tomatoes off the stove and, when cool enough to handle, peel off the skins.
Blend the tomatoes and cumin in a food processor and set aside.
Sauté the onion in oil in a saucepan over medium heat until translucent. Add the garlic and sauté for 1 minute. Add the dilik and cook for