Top with half of the sausage, mozzarella and Parmesan cheese, sun dried tomatoes and green onion. Repeat layering.

Beat eggs, milk salt and pepper in large bowl with a wire whisk until well blended.

Pour evenly over potato-sausage mixture.

Spray a 6-quart slow cooker with cooking spray. Layer 1/2 of the potatoes on the bottom of slow cooker.