Steps
1. In a bowl, mix the shredded chicken with cream cheese, Dijon mustard, salt, and pepper until well combined.
2. Lay the tortilla flat and spread the chicken mixture evenly over it.
3. Arrange the sliced pickles and fresh spinach on top.
4. Roll the tortilla tightly, tucking in the sides as you go.
5. Slice in half and serve immediately or wrap in foil for later.