Vegetable Pizza Frittata

Set oven rack 3 to 6 inches from the heat source and preheat the oven's broiler.

Heat olive oil in a 10-inch oven-proof skillet over medium heat; cook and stir onion until soft and transparent about 5 minutes.

Beat eggs egg whites spinach Parmesan cheese parsley salt basil oregano and black pepper together in a bowl; pour over onions. Cook over low heat gently lifting with a spatula and tilting skillet to let liquid run under cooked parts until partially cooked about 10 minutes. Arrange tomatoes and black olives on top of semi-soft frittata.

Broil frittata in preheated oven until slightly browned on top about 5 minutes. Cut into wedges.