Preheat the oven to 400°F
Brush both sides of corn tortillas lightly with oil
Place tortillas on a baking sheet
Bake for 5 to 7 minutes
Flip tortillas
Bake for 4 to 6 minutes more until crisp and golden
Remove from the oven
Let cool completely before using
Alternatively, fry tortillas in hot oil until crisp
Drain on paper towels
Season lightly with salt if desired