Boil beets until you can pierce with fork. Turn heat off, cool down then peel.
Arrange baby spinach on a platter. Cut beets in cubic shapes, add over spinach.
Chop tomato, celery, peppers and red onion, add over the spinach and beets.
Put burrata ball on top of the salad. Keep burrata refrigerated until ready to serve.
Garnish with basil leaves, drizzle olive oil over everything and add salt to taste. Finally right before serving add balsamic glaze.
Notes
Calories are estimated assuming that 4 people are sharing this salad as a side dish. However, I have had myself half of this as a light dinner myself so be aware you can easy double the calories if you eat this salad as a side dish or light meal on its own.