Spray a skillet with a non-stick cooking spray. Heat the skillet over medium heat.
Place a tortilla shell in the skillet. Take 1/4 of the scrambled eggs and spread over half of the shell. Do the same with the remaining ingredients.
Take the side of the tortilla shell that does not have any of the ingredients on it and pull over the top of the other half of the shell.
Continue to cook the until the shell and is lightly brown and crisp about 3 to 5 minutes. Flip the quesadilla over and continue to cook until the other side of the tortilla shell is brown and crisp.
Service immediately. Topp with sour cream, salsa, or your favorite toppings.