Fry the chorizo or loganiza mixed with the beef chorizo and chipotle chilies. Break it up as it fries like cooking hamburger. Use a cast iron skillet over medium heat about 7-9 minutes until the meats are fully cooked and barely beginning to crisp at the edges. Set aside and keep warm
Place a pat of butter in a non-stick skillet on medium low heat. Place a tortilla in the skillet, move it around with your fingers and let it set about 30 seconds until it begins to puff. Flip it and toast another 15 seconds.
Here you may fill it with chorizo and cheese, fold in half and continue to fry until the cheese melts. Alternatively you may remove from the skillet, plate, fill, fold and microwave to melt the cheese
Garnish with the pickled onion and chimichurri sauce