Prepare your ingredients by grating the cheese, dicing the steak in tiny pieces, and slicing your onions
In a large skillet heat a tablespoon or so of olive oil and saute your onion, mushrooms and garlic on medium heat. Deglaze your pan occasionally with wine or beef broth . Cook until the onions are clear.
In the same skillet on medium heat place your diced steak with a little olive oil , right before it's done heating deglaze the pan with red wine or beef broth
Start heating a large skillet or griddle on medium heat with olive oil
Lay a tortilla out flat on the counter
ONLY On one half of the tortilla sprinkle desired amount of cheese
Then add onion ,mushroom and steak mixture
Top with a little more cheese and fold over
Carefully place in heated skillet or griddle
Brush the top with a little olive oil
Once the bottom begins to brown and the cheese begins to melt carefully flip over
Cook until the cheese is nice and melted and the outside is slightly brown and crisp
Slice in half to serve