Heat the sauté pan over medium-high heat. Place the olive oil in the pan and heat until shimmering
Add the onion to the pan, and sprinkle with a small pinch of salt. Saute for 3-5 minutes, until translucent
Add the garlic to the pan along with a small sprinkle of salt. Saute for 1-2 minutes, careful not to burn the garlic.
Add the bell pepper to the pan along with a small sprinkle of salt. Saute for 5 minutes.
Add the tomatoes to the pan along with a small sprinkle of salt. Saute for 5 minutes.
Add the cumin, oregano, and black pepper. Stir to combine.
Reduce the heat to low. Cover and let simmer for 20-30 minutes until the color has deepened and the flavor has fully developed.
Taste and add salt or extra seasonings as needed.