* 15-16 ounce cans.
Combine first 6 ingredients in processor. Process until very chunky puree forms. Transfer to bowl and season with salt and pepper. Place one tortilla on work surface. Spread with 1/3 of the bean mixture. Top with 1/3 of the cheese, then another tortilla. Heat heavy medium skillet over medium heat. Brush with oil. Add quesadilla; cook until beans are heated and tortillas are brown, about 4 minutes per side. Repeat with remaining tortillas, beans and cheese.
Makes 3 large servings.