Preheat oven to 400˚F.  Spray 12-inch oven proof skillet generously with Chef's Joy spray.

Add potatoes to skillet and cook over medium-low heat, 10 minutes or until tender and crisp; turning potatoes occasionally; remove and set aside.  Remove skillet from heat, let cool slightly and spray with Chef’s Joy spray.  Add onion and cook over medium low heat 2 minutes, stirring frequently.  Add zucchini and cook 2 to 3 minutes or until zucchini is tender-crisp; remove and set aside.  Remove skillet from heat, cool slightly and spray with Chef’s Joy spray.

Beat eggs with salt and pepper until frothy; stir in basil.

Evenly layer potatoes, then zucchini and onions in skillet.  Sprinkle cheese over vegetables then pour egg mixture into skillet.  Cook over low heat 10 minutes until edges are set.

Transfer skillet to oven and bake 10 minutes or until top is set and beginning to brown.