01 -
Combine shredded chicken, refried beans, and salsa in a medium mixing bowl. Stir together until thoroughly mixed.
02 -
Lay out flour tortillas on a flat surface. Spread 2 heaping tablespoons of chicken mixture evenly over half of each tortilla. Sprinkle 2 tablespoons of shredded cheese over filling. Fold each tortilla in half to form a semicircle.
03 -
Melt 1 tablespoon butter in a large nonstick skillet over medium heat. Working in batches, add folded quesadillas to pan. Cook for 2-3 minutes per side, pressing gently with a spatula, until golden brown and cheese is melted. Add remaining butter to pan as needed for additional batches.
04 -
Cut each quesadilla into thirds. Arrange on a platter and serve immediately with guacamole, pico de gallo, and sour cream if desired.