Ingredients

2 teaspoons extra-virgin olive oil

1 small red onion, cut into 1/2-inch wedges

1 plum tomato, seeded and diced medium

1/2 small zucchini, diced medium

2 ounces baby spinach (1 cup)

2 large eggs plus 4 large egg whites, lightly beaten

Coarse salt and ground pepper

1 1/2 ounces feta, crumbled (3 tablespoons)

Preparation

In a large nonstick skillet, heat oil over medium-high. Add onion, tomato, and zucchini and cook until vegetables are just tender, about 5 minutes.

Stir in spinach and cook until beginning to wilt, 1 minute. Season eggs with salt and pepper and add to skillet. Cook, stirring with a rubber spatula, until eggs are set, about 2 minutes. To serve, divide between 2 plates and sprinkle with feta.