Preheat the oven to 350 degrees F.
In a large bowl, whisk together the eggs, half-and-half, mayonnaise, and flour. Add the remaining ingredients. Place the piecrust in a deep, 9-inch pie dish. Pour the egg mixture into the crust and bake for 45 minutes to 1 hour or until the top is golden brown.
Recipe courtesy of Elizabeth Gilroy, Talkeetna, AK