INGREDIENTS
Cooking spray
1/2 cup
finely chopped onion
2/3 cup
chopped reduced-fat ham (about 2 ounces)
1/3 cup
(about 1 1/2 ounces) shredded reduced-fat extra-sharp cheddar cheese
2 tbsp
chopped fresh chives
1/8 tsp
dried thyme
1/8 tsp
black pepper
4
large egg whites
1
large egg