Prepare Apples: Peel and dice the apples into small cubes about ½-inch and set aside.

Cook Filling: Melt butter in a skillet. Add apples, brown sugar, and cinnamon; cook for 6-8 minutes until softened. Stir in vanilla extract and remove from heat.

Assemble Quesadilla: Lay tortilla flat, spoon apple filling on one half, and add cream cheese or yogurt if desired.

Cook Quesadilla: Fold the tortilla, sealing the filling, and cook in butter over medium heat for 2-3 minutes on each side until golden brown.

Serve: Slice quesadilla into wedges, dust with powdered sugar or drizzle with vanilla cream, and enjoy!