Spread light mayonnaise evenly over 4 bread slices.
Spread turkey gravy evenly over remaining 4 bread slices. Top the mayonnaise-spread slices evenly with bacon slices, turkey breast, and provolone cheese.
Bake at 400 for 10 minutes or until cheese is melted. Top cheese evenly with arugula.
Drizzle with cranberry-shallot chutney. Top with gravy-spread bread slices. Press sandwiches together.