Chicken Quesadillas

Name: Chicken Quesadillas
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Yield: 4
Ingredients: Ingredients; 2 cups cooked chicken, shredded or diced; 1/2 cup red bell pepper, diced; 1/2 cup onion, diced; 1 cup shredded cheddar cheese or Mexican cheese blend; 1/2 cup salsa (optional); 1 tablespoon olive oil (for cooking); 4 large flour tortillas; 1/4 cup fresh cilantro, chopped (optional, for garnish); Sour cream, guacamole, and additional salsa (for serving)