To prepare chutney, heat oil in a non-stick skillet over medium heat. Saute onions until beginning to brown.
Deglaze pan with vinegar. Add cherries, salt, tarragon, honey and water and simmer for 20 to 25 minutes; cool.
To prepare sandwiches, butter one side of each slice of bread.
Place four slices of bread, buttered side down, in a large, non-stick pan or
griddle on medium heat.
Top each with Wisconsin Fontina cheese, turkey, sliced apple, and 1 tablespoon of chutney. Top with remaining four slices of bread, buttered side out. Grill each side until golden brown and cheese is melted.
Recipe by Culinary Thymes at https://www.culinarythymes.com/grilled-wisconsin-fontina-sandwich/