Make It
Step 1
Combine ground beef and chorizo in a large bowl. Mix with hands and shape 6 (3-inch) patties. Set aside.
Step 2
Heat a large skillet over medium heat. Place meat patties in skillet; cook for 4 to 5 minutes on each side. Place on a large paper towel-lined plate.
Step 3
Combine yogurt, evaporated milk, chipotle chile, adobo sauce, lime juice, garlic and bouillon in a blender or food processor; cover. Blend until smooth. Transfer to a serving container. Cover; refrigerate until ready to serve.
Step 4
Assemble burgers using 2 tablespoons dressing on the bottom buns and layering a lettuce leaf, meat patty, queso fresco, tomato slices and onion slices. Store any remaining dressing in an airtight container in the refrigerator.