Fluffy Golden Frittata - cooking recipe

Ingredients

3 teaspoons olive oil, divided
2 2 cups scallions or 2 cups leeks, or combination
coarse salt
fresh ground pepper
1 cup tomatoes (your choice of grape, cherry halved, or regular sliced or chopped)
6 egg whites
4 egg yolks, beaten
4 ounces cheese (shredded or crumbled your choice)

Preparation

Preheat oven to 350.
Heat 2 tsp olive oil in oven proof non-stick skillet over medium heat.
Add onions/leeks and season with salt and pepper.
Saute a few minutes, cover and cook 5 more minutes.
Add tomatoes, cover and cook 2 more minutes.
Transfer to a bowl.
In a separate bowl, beat egg whites with salt and pepper to stiff peaks.
Gently whisk in egg yolks.
Brush skillet with 1 tsp olive oil.
Add eggs and spread out to cover pan; sprinkle cooked vegetable mixture over the eggs to within one inch of the edge.
Sprinkle cheese shreds or crumbles on top- if large crumbles press in slightly to be partially submerged.
Cook over medium heat until sides are dry, 3 minutes.
Transfer to oven and bake about 20 minutes until center is set.