Remove the crust from the freezer and let it thaw as you prepare the rest of the ingredients.
Pre-heat the oven to 390°F.
Chop spinach into small pieces. Cook them in a skillet with up to 1/4 cup water. Cook until spinach is wilted. Drain water and squeeze out any additional liquid from the spinach.
In a medium sized bowl, whisk the eggs and then add half and half, sour cream, salt and pepper. Whisk until smooth. Add the spinach and mix with a spatula or spoon.
Pour egg mixture into the pie crust. Top with slices of goat cheese.
Bake for around 45 minutes or until quiche has set.