Step 1

. In a large saucepan, heat 2 tablespoons of oil over medium heat.

Step 2

Add the onion and cook until translucent, about 5 minutes.

Step 3

Add the garlic and cook for an additional 1 minute.

Step 4

Stir in the tomatoes, chili peppers, and cumin, and bring to a simmer.

Step 5

Cook for 20-25 minutes, stirring occasionally, until the sauce thickens.

Step 6

Taste and adjust seasoning with salt and pepper, as needed.

Step 7

Optional: blend the sauce for a smoother texture.