Heat a small cast iron pan over medium heat

Heat the shredded beef in the microwave for about 30 seconds

Butter one side of each tortilla

Lay on tortilla butter side down in the cast iron pan

Put warmed shredded beef on top of the tortilla

Add shredded cheese on top of the beef

Top with other tortilla, butter side up

Once the bottom tortilla is golden brown flip it to the other side

Cook until golden brown and cheese is melted-about 3-4 minutes

Cut into quarters

Serve with toppings