A light dinner of Vidalia onion pie, a nice salad on the side, and an ice-cold glass of homemade lemonade is perfect for hot summer nights! You can also add sweet red pepper to the onions as they cook or crumbled bacon or fresh ham bits to the recipe before baking., Preheat oven to 325 °F. In a medium saucepan, melt the butter over medium heat. Add the onions and sauté until lightly browned. Put the pie pan on a sheet pan. Line the bottom of pie crust with the onions. In a small bowl, beat the eggs and the flour together to combine. Add the milk, sour cream and salt. Mix well and pour over the onions., Mix together and pat into a medium pie dish. Simmer onions in melted butter just until soft, season and leave to cool. Place on top of pastry. Mix together egg and cream and pour over onions. Sprinkle cheese on top. Bake in a pre-heated oven 425°F (220°C) for 20-25 minutes., Cover the bottom of the pre-cooked pie dough with onion, leeks mixture. Top with the cheese with the eggs mixture and fill as much as you can without putting too much. Sprinkle chives and a couple more tablespoons of grated parmesan., Pour mixture slowly, in a thin stream, into center of onions in pie pan. Sprinkle grated cheese over top and place in oven. Bake until puffy and slightly browned on top, 30 to 35 minutes., When you first hear the name, it conjures up a standard-style pie, complete with crust, filled with onions. Now, that kind of thing does exist, but this onion pie is radically different from what first comes to mind. It’s not really a pie at all; it’s more like a quiche because of the eggs..