Cutaway and discard stalks. Wash beets and pat dry. Brush beets with olive oil and wrap individually in foil, place on a cookie sheet and bake approximately 1 hour, or until tender. Allow beets to cool at room temperature then peel the thin outer skin and cut into 1/4" slices. Store beets in an airtight container in the refrigerator until ready to use.
Place endive in a salad bowl, top with beets, pistachios, and goat cheese crumbles.