Caramelized Onion, Purple Pepper and Zucchini Frittata

Caramelized Onion, Purple Pepper and Zucchini Frittata

Ingredients:
1 white onion, thinly sliced rings
1 medium pink pepper, diced
1 1/2 cups zucchini, diced into matchsticks
4 large eggs
4 large egg whites
1/4 cup parmesan cheese, grated
2 teaspoons olive oil
Salt and fresh pepper

Directions:
1. Preheat oven to 400°F.
2. Around medium-lower heat, heat oil in a 10-inch skillet. Stir inside onion and cook until a little brown, more than 10 minutes. add peppers and cook 5 even more minutes, then add zucchini. Season with salt and pepper and cook 3 further more minutes stirring once in a while.
3. In a medium bowl whisk eggs, egg whites, parmesan, salt and pepper.
4. Add eggs to the skillet developing of course eggs protect all the veggies. Each time the edges begin to mounted (about 2 minutes) movement skillet to oven. Cook about 10-15 minutes, or until frittata is totally cooked. serve very hot, cut into 4 sections.