Instructions
Preheat the broiler or preheat the oven to 375 degrees.
Peel the potato, cut it into small pieces and cook in lightly salted water until tender, .
Drain, chop coarsely and set aside.
Beat the eggs and milk together, stir in the parsley and sprinkle in some salt and pepper.
Heat the butter in a sauté pan over medium heat.
When the butter has melted and looks foamy, add the onion and cook for , until it has softened and is lightly golden.
Add the potatoes and cook for or until they are lightly crispy.
Pour in the eggs and turn the heat to low.
Scatter the cheese on top.
Stir once or twice, then cook undisturbed for , or until the bottom has set.
Place the pan under the broiler until the frittata is puffed and golden () or bake in the preheated oven for , until the eggs are set.
Makes 2 servings