
Drain the artichokes and hearts of palms. Chop both the artichoke hearts and hearts of palm into bite-size pieces.
In a large mixing bowl, stir together the artichokes, hearts of palm, dijon mustard and olive oil. Use salt and pepper to taste.
Wash and dry the spinach and layer the spinach in a salad bowl. Top with the artichoke/hearts of palm mixture and serve.