Step 1

Heat the oven to 400°F and use a mandoline slicer to shred the zucchini, squash, carrots.

Step 2

Stir all the ingredients in a 3-quart casserole dish (most commonly a 9x13 inch dish).

Step 3

Cover tightly and bake for 40 minutes. Then, remove the cover and bake for another 20 minutes until the top is lightly browned.

Step 4

Remove from the oven and put the lid back on top. Let it sit, covered, for 10 minutes. Then, let cool for at least 5 minutes with the cover removed before serving!