1. Spread 1 1/2 teaspoons mustard over each bread slice. Layer each of 2 slices with 1 ounce turkey, 2 tomato slices, 1 cheese slice, and 1 tablespoon bacon bits. Sprinkle with pepper, and top with remaining bread slices. Place a large nonstick skillet over medium heat until hot. Coat 1 side of each sandwich with cooking spray; place sandwiches, coated side down, in skillet. Cook 2 minutes or until toasted. Coat top side of sandwiches with cooking spray; turn sandwiches over, and cook 2 minutes or until toasted and cheese melts. Cut sandwiches in half.