BBQ Chicken Quesadillas

1 chicken breast (can be frozen)
1/2 red onion, diced
Barbeque sauce
1 can black beans
1 can corn
cheddar cheese
Tortillas

Place chicken and onion in crock-pot. Pour barbecue sauce over and cook on high for 4 hours. Gently shred chicken.

Heat skillet, place tortilla then cheese, then a scoop of black beans, corn, then some chicken mixture and top with more cheese and another tortilla. Brown both sides until cheese is melted.

Serve with sour cream, lettuce, olives, mango salsa, etc.