- Preheat oven to 375 degrees F.
- Brown chorizo in a skillet over medium-high heat, about 8 to 10 minutes.
- Drain and place into a large mixing bowl.
- Add the cheese, red onion, egg, cream cheese, sour cream, hot sauce, and salt and pepper, to taste.
- Press into jalapeno halves and assemble on a parchment lined baking sheet.
- Bake until golden and bubbly, about 20 minutes.