Preheat grill/oven to 400F
Remove crust from package and place on a flat surface
In a separate bowl mix pizza sauce and taco sauce
Spoon mixture over crust painting a thin layer on your crust covering all surfaces
In a skillet brown chorizo sausage
Spoon sausage covering sauce completely
Sprinkle cheese covering the layer of sausage and sauce
Sprinkle a small amount of diced onion across shredded cheese
Place flatbread directly on the grill grid or oven rack and bake for 7-10 minutes until crust is golden brown
While flatbread is cooking remove shredded lettuce from bag, dice tomato and onion to a small dice
Remove baked flatbread from grill and place on cutting board
Top with lettuce, onions, and tomatoes
Add optional toppings
Cut into small sections like triangles, small squares, or rectangles and serve