Mix feta, horseradish, sour cream, dill, sage, salt, and pepper in bowl and set aside.

Cook tortillas on flat-top grill or heavy skillet, top with provolone, medium heat, one side, for 1 minute. Transfer to work area.

Spread cheese mixture evenly on cooked sides of tortillas. Top evenly with Smoked Salmon.

Combine into two quesadillas. Cook 1 minute each side on flat-top or skillet.

Cut each quesadilla into quarters, garnish, and serve with desired salsa.