INGREDIENTS
1
2 (1/2-ounce) slices Prosciutto
10 cups
Baby spinach
1 cup
Sweet onion
4
Eggs, large
1/4 tsp
Black pepper, freshly ground
1/4 tsp
Red pepper
1/4 tsp
Salt
1
Cooking spray
1 tbsp
Olive oil
4
rectangular multigrain flatbreads
3 oz
Mozzarella cheese, part-skim