Five-Herb Frittata with Prosciutto and Parmesan

INGREDIENTS

large eggs

2 tsp

water

1/2 tsp

kosher salt

1 tbsp

finely chopped mint

1 tbsp

finely chopped parsley

1 tbsp

finely chopped chives

1 tsp

finely chopped oregano

1 tsp

finely chopped thyme

1 1/2 tbsp

unsalted butter

1/2 oz

prosciutto, torn (2 slices)

Coarsely ground black pepper

Parmigiano-Reggiano cheese shavings, for serving