Citrus Chicken Salad Sandwich

1.In a small bowl, combine the mayonnaise, Dijon mustard, salt, black pepper, and lemon zest. Mix until well combined.

2.Add the shredded pre-cooked chicken slices to the mayonnaise mixture and stir until the chicken is evenly coated.

3.Spread the orange marmalade on one side of each slice of whole wheat bread.

4.On one slice of bread, layer the chicken mixture evenly over the marmalade.

5.Top the chicken with fresh baby spinach leaves.

6.Place the second slice of bread on top, marmalade side down, to form a sandwich.

7.Spread the softened butter on the outside of each slice of bread.

8.Heat a non-stick skillet over medium heat. Place the sandwich in the skillet and cook for 2-3 minutes on each side, or until the bread is golden brown and crispy.

9.Remove the sandwich from the skillet, slice it in half, and serve immediately.