1. Heat oil in heavy skillet.
2. Add pasta, onion & garlic.
3. Cook & stir till onion is limp.
4. Add broth, tomatoes & oregano.
5. Bring mixture to a boil.
6. Cover skillet & lower heat.
7. Cook for 15mts. until the pasta is tender and the broth is absorbed.
8. Top with spoonfuls of sour cream & grated cheese
9. Serve from skillet.

Serves: 4 servings.
From "The People of Mexico and Their Food" book.