Instructions:

Serves 4-6
Preparation time 30 minutes
Pastry chills 1 hour
Cooking time 1 hour

Flaky Pastry:
1 3/4 cups flour
8 tablespoons butter
1/2 teaspoon salt
4 to 6 tablespoons iced water

Filling:
2 tablespoons butter
4 large onions, sliced
2 eggs
1/2 cup milk
1 teaspoon flour
4 tablespoons Gruyere or other Swiss cheese, grated
1 tsp. Kosher salt
1/8 teaspoon freshly ground pepper

Using the above-listed ingredients, prepare the flaky pastry and chill for 1 hour.

Heat the butter in a skillet. Add the onions, cover and cook over low heat for 30 minutes. Stir the onions occasionally. Do not brown. Remove pan from heat.

In a bowl, beat the eggs, cream and milk. Blend in the flour andcheese. Season with salt and pepper. Reserve.

Set the oven at 400.

Roll out the pastry to 1/4-inch thickness and line a 9-inch pie pan. Pre-bake shell for 10 minutes.

Beat the egg mixture into the onions. Pour mixture into the pastry shell and bake until the filling has set and the pastry is lightly browned, about 30 minutes. Serve hot, warm or cold.