Swiss Veggie Fritatta

2 T olive oil
1 red onion, thinly sliced
1 zucchini, thinly sliced
1 red sweet pepper, diced
10 eggs, lightly beaten
1 c Swiss cheese, shredded
2 t Italian seasoning

1. Preheat oven to 400°F.
2. Heat oil in an oven-proof skillet & saute onion until wilted.
3. Add zucchini & peppers to pan & continue to saute 3-4 minutes.
4. Stir cheese and Italian seasoning into beaten eggs.
5. Remove pan from heat, pour in egg mix, & jiggle pan to distribute.
6. Bake uncovered 10 - 15 minutes until eggs set & top "puffs up" and browns.
7. Slice into wedges & serve.