Preheat the oven to 425 degrees F. Coat a rimmed baking sheet with nonstick spray.
Cut the ends off of each zucchini. Cut in half lengthwise. Cut each half in half lengthwise again. Cut across the long pieces to make a small dice.
Place diced zucchini onto the sheet pan and toss with olive oil.
Roast for about 10 minutes or until soft when poked with a fork.
Remove from oven and salt to taste as desired.
Notes
Serve leftovers in an airtight container in the fridge for up to 5 days. You can serve this warm or pack in a lunch to be eaten chilled or at room temperature.