Preheat oven to 375 F.
Heat the oil in a large skillet over medium-high heat.
Add the onion, carrots and celery and cook until just starting to soften, 8-10 minutes.
Add the garlic and cook another 1 minute. Remove from heat and let cool.
Transfer the vegetables to a large bowl. Add the ground beef, chorizo and the roasted poblano.
In a separate bowl combine the salt, pepper, cayenne, ketchup, and sour cream.
Add mix to the meat mixture. Add bread crumbs and mix everything together. Thoroughly. Using your hands. Don't be shy.
Spray x 9" x 13" pan with non-stick spray.
Add meat and form into a loaf.
Place into the oven and bake until the meat reaches 165 F, 60-90 minuets.
Remove from the oven and let rest 10 minutes before slicing. Serve topped with the salsa from below.