Instructions

  1. In a medium sauce pan, saute the onion and garlic in the oil over medium-high heat, until tender (about 3 minutes).
  2. Stir in the flour, cumin, salt and pepper and cook over medium heat, stirring, for 2 minutes.
  3. Stir in the stock and simmer until thick and smooth.
  4. Stir in the chiles and oregano.
  5. At this point you may cool, and store in refrigerator, covered, for up to one day.
  6. To serve, heat thoroughly.