tex mex quesadillas

1 tablespoon vegetable oil
1 medium onion, finely chopped
2 garlic cloves, minced
1 teaspoon ground cumin
1 rotisserie chicken, shredded
1 package (10 oz.) frozen corn, thawed
2 cans (15 oz. each) black beans, rinsed and drained
1 package (10 oz.) frozen leaf spinach, thawed and squeezed dry
flour tortillas (10-inch)- i dont like the precooked ones
8 ounces pepper jack cheese, shredded
salsa & sour cream

In a large pan cook onion, garlic and cumin for about 5 mins, or until onion is soft. Add in corn, beans, spinach and chicken. Cook until everything is heated though. Cook tortillas as directed on package. Then layer cheese and tex mex mix. Cook until cheese is melted. Cut and serve with salsa & sour cream.