Roberta’s soup, Sweet and spicy chicken sliders, Grasshopper pie

My daughter-in-law Roberta made this soup recently and we all enjoyed it. I hope you will, too.
Roberta’s soup
4 chicken breasts (do not use frozen) cut in half if large
1/2 small onion or 1 large shallot, minced
2 carrots, minced
2 celery stalks, minced
2 garlic cloves, minced
1-1/2 tsp. salt
1/2 tsp. pe...