Heat a skillet over medium heat
Place a tortilla in the skillet
Sprinkle shredded cheese over half of the tortilla
Add fillings if desired
Fold the tortilla in half
Cook for 2 to 3 minutes until the bottom is golden
Flip carefully
Cook for 2 to 3 more minutes until the cheese is melted and the tortilla is crisp
Remove from the skillet
Let it cool briefly
Cut into wedges and serve