Preheat the oven to 400°F (200°C).

In a skillet over medium heat, add the chorizo and cook until browned and fully cooked, about 5-7 minutes.

Add the diced onion and jalapeños to the skillet with the chorizo and sauté until the onion is translucent, about 3-4 minutes.

Reduce the heat to low and stir in the shredded cheese until melted and combined.

Pour the cheesy mixture into an oven-safe skillet or baking dish and spread it evenly.

Place the dish in the preheated oven and bake for about 10 minutes, until bubbly and golden.

Let it cool for a few minutes and garnish with fresh cilantro.

Serve immediately with fresh tortilla chips.