Frittata(Italian Omelet) - cooking recipe

Ingredients

2 medium eggs, separated
1 c. cooked-diced zucchini
1 1/2 oz. grated Mozzarella cheese
1 1/2 oz. grated Parmesan cheese
salt and pepper to taste
1/2 c. tomato sauce (no sugar)

Preparation

Beat egg whites until stiff but not dry.
In a separate bowl, beat egg yolks until frothy.
Add zucchini, cheese, salt and pepper.
Fold in whites.
Pour in a nonstick skillet.
Cook until bottom is brown, then place skillet under broiler as close to heat as possible.
Cook until omelet is browned and puffy.
Serve with tomato sauce.