Step 1

Preheat panini grill to high. Spread mayonnaise on 4 slices of bread and spread Dijon on the other 4 slices.

Step 2

Top 4 bread slices with apples, cheese, walnuts and tarragon in that order; close sandwiches.

Step 3

Coat outsides of sandwiches lightly with olive oil. Place on panini grill and cook for 4 to 5 to minutes or until bread is golden brown and cheese is melted.Cut in half before serving, if desired.*Cut bread on the diagonal to make larger slices if loaf is small.