Step 1

Preheat oven to 325°F.

Step 2

Spray a 9×9-inch casserole dish with a good coating of cooking spray, and set aside.

Step 3

In a medium skillet, add the olive oil over medium heat. Add the onions, and cook until they are soft.

Step 4

Then, add the rest of the veggies, and sauté until they are tender. Add this veggie mixture to the baking dish. Set aside.

Step 5

While the veggies are cooking, whisk together the eggs, almond milk, garlic powder, mustard powder, salt, and pepper in a bowl.

Step 6

Pour the egg mixture over the veggie mixture in the baking dish.

Step 7

Next, add the cheese.

Step 8

Cover with foil, and bake 40 minutes. Remove the foil, and cook an additional 10 minutes, or until the egg mixture is cooked through.

Step 9

Let it cool for 5 minutes before serving.