Place the refrigerated pie crust in a 9-inch pie pan. Crimp the edges and gently prick the bottom with a fork.
In a large mixing bowl, whisk together the eggs, milk, salt, and pepper.
Sprinkle the ham, green onions, cheddar cheese, and mozzarella cheese evenly into the pie crust.
Pour the egg mixture over the filling.
Top with the remaining ¼ cup cheddar cheese and mozzarella cheese.
Bake for 35–40 minutes, until the center is set. If the crust begins to brown too much, loosely tent the quiche with foil during the last 10–15 minutes of baking.
Let the quiche cool for 5-10 minutes to set and then it’s ready to slice and serve.
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Notes
This is a great base easy quiche recipe. You can use any type of protein that you prefer. Sausage or bacon would also be delicious in the recipe. Also, you can use your favorite type of melting cheese. Gruyere, white cheddar or mozzarella would all be delicious in this quiche recipe. Make sure the quiche has cooled completely at room temperature before refrigerating leftovers. The leftovers should be good for up to 5 days in an airtight container.