Start with a cupcake pan of some kind.
This one is a larger bundt-like...but has an open cavity.
"Mini" Fajita sized tortillas
Warm them up in the microwave so they are pliable.
Fit the tortillas in the pan...scrunch them in!
Then bake them in the oven.
About 10 minutes at 350*
(until light brown and holds its shape)
Then fill with taco salad fixings:
Browned ground beef