Preheat oven to 425°.
Saute onion and garlic in olive oil over medium heat for 1- 2 minutes.
Stir in chicken, tomatoes, broth, flour, and spices. Simmer 3 - 5 minutes.
Working in batches and using 2 damp paper towels, lightly spray the tops of 2 tortillas at a time with olive oil spray. Cover with top paper towel and microwave 20 seconds.
Place warmed tortilla on cooking sheet, fill with rounded tablespoon of chicken filling. Roll, place seam side down.
Bake for 20 minutes.
Serve with optional: shredded lettuce, cheddar cheese, sour cream, guacamole, salsa, queso fresco, or cilantro. Enjoy!