Preheat the oven to 400 degrees and line a baking sheet with parchment.
Shred cheese and set aside.
Heat oil in a skillet over medium. Whisk in flour and cook for 30 seconds, stirring constantly. Slowly whisk in stock and cook for 1-2 minutes until thickened, stirring frequently. Remove from heat; stir in spices, hot sauce, salt, pepper, chicken, and cheese.
Divide mixture evenly over half of each of the tortillas. Fold tortillas in half and place on baking sheet. Bake for about 8-10 minutes until golden and melty.
Cut chicken quesadillas into wedges and serve with sour cream, salsa and guacamole.