For my Vegetarian Quesadillas, I used zucchini, shallots, tomatoes, an orange pepper, and mushrooms. Chopped them up and tossed them into a pan with about a tablespoon of olive oil. We go vegetarian at least four meals a week.
Then I remove the veggies and place them in a bowl. Of course, I use the same pan, and just give it enough oil for a light coating.
It's now time to assemble the quesadilla. I drop one of my favorite things in the world, into the pan:
Because I'm on a low-carb diet, these are a staple in my home. So I drop one into the pan and spread half of the veggie mixture onto the tortilla.
Next, I add the cheese. I always use a mexican blend, part-skim cheese. The cheese is important, because it's the glue that holds the whole thing together. So don't skimp.
Now, I drop another tortilla on the top, and let it cook a few minutes, pressing down on the top tortilla every once in a while. The key here is to get the tortillas to stick together.
I then brush the top tortilla with a bit more oil. Not too much.
And, because I like my quesadillas to be a little on the crispier side, I wait until I hear a little sizzle. That's when I know it's good to turn. Also, the tortilla will have little golden marks.....that look like this, on the bottom:
Now comes the tricky part. I like to slide the whole thing onto a plate, first, rather than try to flip it with a spatula. If you think you can do it, knock yourself out. The smaller tortillas, you might be able to do it. But I wouldn't risk it with a tortilla this size.
So, after the half-cooked quesadilla is on the plate, I take the frying pan (but be careful, it's hot!) and turn it over the plate. I take the plate and flip the quesadilla into the pan. Voila!
Let this cook for a few more minutes. Check with the spatula to make sure the bottom tortilla is the same doneness as the top tortilla. Then you're done!
I prefer to cut mine with a pizza cutter, then add some sour cream and salsa, for dipping. It's the perfect go-to meal when you realize you forgot to thaw out some meat for dinner! 
