01 -
Combine mayonnaise, ketchup, sweet pickle relish, smoked paprika, garlic powder, salt, and black pepper in a small bowl. Mix thoroughly and refrigerate until serving.
02 -
Lay out 6 flour tortillas on a flat surface. On each tortilla, place one slice of Swiss cheese, an even portion of sliced corned beef, drained sauerkraut, another slice of Swiss cheese, and then top with the remaining 6 tortillas.
03 -
Heat a large skillet over medium-high heat. Add ½ tablespoon of oil to the pan. Fry each assembled quesadilla on both sides until golden brown and the cheese is melted, approximately 2-3 minutes per side. Repeat with remaining quesadillas, adding more oil as needed.
04 -
Cut each quesadilla into wedges and serve warm alongside the chilled 1000 Island dipping sauce.