Preheat the oven to 400 degrees.

Prep cast iron skillet with nonstick cooking spray. Set aside.

Using a large bowl add the eggs, yogurt, salt, and pepper beat with a hand
mixer until the ingredients are blended and frothy. Set aside.

Put the skillet on medium-high heat.

Add broccoli, onions, red and green bell peppers  and ham to the skillet.

Reduce the heat to medium.

Cook the broccoli, onions, bell peppers, and ham for about 5 minutes. (They
should be almost tender.)

Toss in the spinach, cooking it until they are almost wilted.

Stir the green onions into the egg mixture.

Pour the egg mixture over the spinach and vegetables in the skillet.

Add Parmesan cheese on top of the egg and vegetable mixture.

Cook on the stove for about 1 minute.

Transfer the skillet to the oven.

Bake at 400 degrees for 10-15 minutes. (Or until the eggs have set.)

Garnish with Parmesan cheese and green onions.