Over medium heat, in a pot or large saucepan, add vegetable oil and cook onions until translucent. About 5 minutes. Add garlic and cook for another 1 to 2 minutes. Add tomato, chipotle sauce mixture. Add chicken broth and lower heat some. Simmer sauce for about 10 minutes. Add the cilantro, cumin, oregano, salt and pepper to taste. Stir. Add meatballs and cook for another 25 minutes. Enjoy!