Prepare the chilies by removing stems and seeds. Toast the chilies for 2 minutes, then soak the dried chilies into hot water for about 15 minutes. Drain extra water and put the soft chilies into a bowl
Sauté the chopped onion and garlic until fragrant
Then, blend the chilies to make a smooth paste
Now, add sautéed onion & garlic, tomato paste, cumin, black pepper, oregano, a pinch of salt, and 2 cups of broth into the blender. Blend for 5 minutes until you get a smooth mixture
Pour the solution into a saucepan and simmer for about 15 minutes. Stir the mixture throughout the process
After getting the desired consistency the sauce is ready. Taste the sauce and adjust seasoning if necessary
Lastly, serve the sauce to enjoy Mexican dishes
You can also store the leftover sauce in an airtight container in a fridge