Mozzarella, Spinach, And Tomato Omelet - cooking recipe

Ingredients

3 egg whites
1 tablespoon water
1 cup fresh spinach leaves
1 cup plum tomato, diced
1/4 cup part-skim mozzarella cheese, shredded
1/2 of a whole wheat light English muffin, toasted
nonstick cooking spray

Preparation

Heat a nonstick skillet coated with nonstick cooking spray over medium heat.
Whisk egg whites with water. Add the whisked eggs and allow to cook for 2 to 3 minutes. Then add spinach, tomatoes, and cheese and fold over into an omelet.
Allow to cook for 2 to 3 additional minutes.
Serve with toasted english muffin half.