Heat the olive oil in a large skillet over medium heat. Add the onion and garlic and cook, stirring, until onion is softened, about 5 minutes.
Add the jalapeños and bell pepper and cook, stirring, for 5 minutes.
Stir in the tomatoes, green chiles, cumin, chili powder, salt, and pepper and bring to a boil. Reduce the heat and simmer, stirring occasionally, for 10 minutes.
Remove from the heat and let cool before serving.
Interesting Facts
Aztec salsa is a traditional Mexican salsa that originated in the Aztec civilization.
The Aztecs used chili peppers to flavor their food, and this salsa is a great way to add some heat to any dish.
The Aztecs also used tomatoes and other vegetables in their dishes, which are also found in this salsa.