• Cut chicken into bite-sized cubes. Chop pineapple up into bite sized pieces. Slice green onions and roughly chop cilantro.
• Mix seasoned salt, garlic salt, chili powder and red pepper flakes together in a small bowl.  Sprinkle the mixed spices over the chicken and coat well.
• Place 1 tbsp olive oil in a large frying pan over medium high heat. Add chicken to the pan and brown the chicken, stirring occasionally for 5-7 minutes or until chicken is done (165 degrees internal temperature).
• Add green onions, minced garlic and pineapple to chicken and cook 1-2 minutes until onions and garlic are softened. .
• Transfer the chicken to a medium sized bowl and add the BBQ sauce.  Stir in to coat chicken mixture.
• Clean frying pan out with a paper towel if you are going to use it again to cook the quesadillas

Assemble Quesadillas:

• Place tortilla on plate or cutting board to assemble.  Place 1/4 cup of cheese on half of tortilla and then top with a quarter of the chicken mixture.
• Fold the tortilla over the chicken and cheese.
• Spray frying pan or cast iron grill with cooking spray.  Cook quesadillas two at a time over medium high heat.  Watch carefully.  Lower heat if they are browning too quickly to medium.  When first side is done, flip the quesadilla over with a spatula turner.  Cook each side of the quesadilla until golden brown (about 2-4 minutes per side).
• When quesadilla is done transfer it to a serving plate.  Respray the frying pan before cooking second bath of quesadillas.