Preheat oven to 400 degrees
Break up lean ground beef and chorizo together in a pan set on medium heat.
Add a diced onion, stir and cook for 8 minutes.
Sop up extra fat with paper towels.
Add minced garlic and canned green chiles., stir. Cook for 2-3 minutes.
Add seasoning, tomato paste and canned chipotle sauce. Stir. Turn to medium low heat and cook for 30 minutes. Stir often. If the meat dries out and is sticking to the pan, add 1/2 cup water.
Unroll the pizza crust. Get your hands underneath it and gently coax it to stretch out to fit a half sheet pan (18x13")
Bake for 10 minutes.
Pour queso on the crust. This acts as the sauce. Spread out.
Spread half the shredded cheese on top of the queso.
Top the cheese with as much taco meat as you'd like. There will most likely be leftover meat.
Top the meat with the rest of the shredded cheese.
Bake for 10 minutes.
Cut into 12 pieces.
Top with crushed tortilla chips, lettuce, sour cream and salsa.