extra-virgin olive oil • medium yellow onion, chopped • large red bell pepper, stemmed, seeded, and chopped • large red bell pepper, stemmed, seeded, and chopped • garlic, minced • garlic, minced • ground cumin • ground cumin • sweet paprika • sweet paprika • chili powder or red pepper flakes (optional, for heat • chili powder or red pepper flakes (optional, for heat •