Pour 1 to 2 tablespoons of olive oil in the same skillet. Sauté red onions for 1 to 2 minutes. Add garlic and continue to sauté for 1 minute until fragrant.
Add browned ground pork with red onions and garlic. Cook for 3 to 5 minutes. Break up the lumps into small pieces. Add chili powder, cumin, paprika, and oregano.