1. Heat up the vegetable oil in a skillet.
2. Once the oil is nice and hot add the chicken and start cooking it.
3. When the chicken is almost cooked add the Onions and Jalapenos and saute them until the onions are nice and soft.
4. Add the tomatoes and soften them up as well.
5. Once the veggies are soften and the chicken is cooked through remove from the burner and set aside to cool down a bit (not too much you want it hot enough to help melt the cheese when placed together).
6. In a medium bowl mix the Mozzarella and Colby Jack cheeses.
7. On a different skillet warm up the flour tortillas two at a time and only on one side.
8. On a dry clean cutting broad lay your warmed flour tortilla with the side that was touching the skillet up facing you.
9. Put some cheese on it top it with your chicken and veggies and then put more cheese on top of it.
10. Now place your second warmed tortilla on top of it, with the side that was touching the skillet, touching the cheese.
11. With your hand or a hot pat press down on the tortilla to asure the chicken and cheese and tortillas are all sticking to each other.
12. Then place back on the 'tortilla warming skillet'.
13. after about a minute or two turn over the quesadilla and warm the otehr side assuring that the cheese on both sides of the quesadilla is melted.
14. Once the cheese is melted remove from the skillet and palce on cutting board, with a pizza slicer, slice it into wedges slices however big you want them.
15. Repeat these sets with the rest of your tortillas.
16. Top them with sour cream and hot sauce if you like or have them with nothing they are good anyway.