This Vidalia Onion Quiche with Thyme recipe is part of a paid partnership with Vidalia Onions. Thank you for reading and supporting the brands that make this blog possible. As a member of the Amazon Affiliate Program, I receive compensation for the products sold through the affiliate links in this post at no cost to the buyer.
I love quiches. They are a super versatile dish that can be served at brunch, lunch, or dinner, as an appetizer or main dish paired with a bowl of soup and a green salad. You can eat them hot, warm, or at room temperature… What can be better than that?
I make spinach quiche, ham and asparagus quiche, salmon quiche, leek quiche, and one of my favorite: caramelized onion quiche with fresh thyme…
The Secret for a Flavorful Quiche Crust
Not only I do it with sweet Vidalia onions, that I sauté in butter until they caramelize while infusing them with the subtle flavor of fresh thyme. There is one more secret.
To add more complexity to my quiche crust, I let it cool down and cover the bottom with grated Parmesan cheese once the crust is baked. Then I add the sautéed onions to finally add the mixture of eggs, heavy cream, and more Parmesan. Trust me: the Parmesan addition brings the crust to the next level.
One more thing about the crust recipe: it’s made with the same pie or quiche dough that I’ve been using forever. I only adjusted the ingredient quantities, so there is no waste.
Cooking Seasonally
Those who know me know how much I miss growing my own produce and how much I love cooking seasonally. Well, Vidalia onion season is in full swing right now. In fact, they are in season during the spring and summer months.
What Are Vidalia Onions?
Vidalia onions are the sweetest, whitest onions ever. These beautiful pristine onions are hand cultivated and picked by around 100 registered growers. They only grow them in the low sulfur soils of 20 South Georgia counties. The mild winters of Southern Georgia contribute to the unique sweetness of the wonderful Vidalia crop.
Last but not least, Vidalia onions add sweetness and crispness to any dish, and my onion quiche is no exception.
How to Make Vidalia Onion Quiche with Thyme
To make this recipe you’ll need first to make and bake the crust, then caramelize the sliced onions, and finally bake the quiche. Besides your Vidalia onions, you’ll need some utensils and ingredients, including:
- Food Processor
- Plastic wrap
- Rolling pin
- Ceramic pay-quiche dish
- Parchment paper
- Ceramic pie weights
- Wooden cutting board
- Knives
- Deep pan
- Wooden spoons
- All-purpose flour or gluten-free all-purpose flour
- Sugar or monk fruit
- Sea salt
I hope you like my onion quiche, and keep in mind that Vidalia onions are a delicacy only available in your favorite grocery store from late April to August, so go and get them before they are gone!
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Vidalia Onion-Thyme Quiche Recipe
Vidalia Onion Quiche with Thyme
Ingredients
- 1 ¼ of cup flour
- ½ Tbsp. of sugar
- ¼ Tsp. of salt
- 8 Tbsp. of butter for the crust
- 3 Tbsp. of iced water
- 3 Tbsp. of butter to sauté the onions
- 4 cups of Vidalia onions sliced
- 3 sprigs of fresh thyme
- 3/4 cup of Parmesan cheese grated and divided
- 3 eggs lightly beaten
- ½ cup of heavy cream
- Sea salt
Instructions
- Combine the flour, sugar and salt in the bowl of a food processor, and pulse 2-3 times.
- Add 8 tablespoons of butter and pulse a few times, add the water, one tablespoon at a time, and continue pulsing until the dough is formed.
- Make a disk with the dough, cover it with plastic film and refrigerate for 30 minutes.
- Preheat the oven to 375˚F.
- Extend the dough with a dusted roller on a floured surface, until it is ¼ inch thick.
- Carefully place the dough on the quiche dish, trim the edges decorating it with your fingers.
- Line the quiche shell with parchment paper and place pie weights on top.
- Bake for 20 minutes.
- Transfer the pie shell to a wire rack; take a away the parchment paper and pie weights, and let cool down completely.
- While the crust is the oven, preheat a deep pan, melt 3 tablespoons of butter and sauté the onions with the thyme sprigs, for about 12-15 minutes, until wilted. Let cool down completely.
- Combine the eggs and heavy cream, and whisk in a bowl.
- Add half of the Parmesan cheese, season with salt and pepper. Reserve.
- Cover the bottom of the cold crust with the rest of the Parmesan cheese.
- Distribute the onions on the crust, evenly.
- Pour the egg and cream mixture on the crust.
- Bake at 350˚F for 20 minutes until the quiche is golden.
- Let cool down at least 10 minute before slicing and serving.
Video
Nutrition
Notes
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I’m a huge sucker for a good quiche and this one tastes A-MA-ZING. Plus, it’s the perfect vegetarian option, I love it.
Thank you, Melanie!
I really appreciate how versatile this dish is, as you mentioned, and I love how you made use of the onions. It was really tasteful!
Thank you so much Moop!
Mmmm, sautéed onions in butter are the best. The flavors in this quiche are incredible, I cannot wait to make it again!
Awww, thank you so much!
My mum loves quiche so I was really excited to make this for her! She absolutely loved it and asked me for the recipe.
Awwww! Thank you for letting me know, Jen.
This recipe is super delicious. I love quiche in general and I also love trying out different recipes for them. I made this Vidalia onion delight and it was heaven!
Thank you, Ramona! You made my day!
I make a lot of quiches during the spring and summer. Last week I made one with roasted asparagus and cherry tomatoes! This week I made your onion and thyme quiche and it was superb!! I used fresh thyme from my garden. Since we don’t have Vidalia onions here in Italy, I use regular onions. Loved the tip about putting parmesan on the crust!
Thank you so much Jacqueline. Life tastes better with Parmesan cheese!
There are few ingredients that add such wonderful flavor to a dish as Vidalia onions. This quiche looks and tastes fabulous. I made it and really it is not complicated at all. I can’t wait to make it again.
Thank you Beth!
I can’t get enough quiche recipes, and this one tastes delicious!! I made it last weekend and it was amazing! Thanks so much for the recipe 🙂
Awww thank you so much, Cathleen.
I love love love Vidalia onions! Never thought to make them the star of a quiche. With the cheese and thyme SO good! Will definitely make again.
Yessssss! Isn’t glorious this quiche?
What perfect timing! I had friends coming last week and was looking for a vegetarian dish that could be served cold, and your Vidalia Onion quiche saved my life. Will definitely do it again!
I’m so glad you liked it! Vidalia onions are so delicious… they make a big difference. Thanks for stopping by Natalia.
Looks delicious amiga! My favorites are with spinach and mushroom.
Yessss!
La quiche es uno de mis platos favoritos! que bueno que nos enseñes a prepararla por que siempre las compro hechas y ya sabes que me gustan las cosas cuanto más naturales y caseras posible, mejor! jejeje
Ya viste Mavi… y los rellenos no tienen limite…
This Quiche looks so good. I’m sharing this recipe with some friends.
Thank you!
This quiche looks amazingly delicious!!! I love quiches as well!!! My favorites are with spinach and mushroom. This one look so yummy because of the sweet flavor of the onions !!!
I love quiches too. My favorites are spinach, Lorraine and leeks!
Thanks for this tasty recipe!
Thank you for visiting Denise!
I can eat onion in every way possible! And this looks so good!
Yesssss! I’m a onion person too Silvia querida!
Madly in love with onions, and Vidalia are definitely my favorite!
I’m an onion person too! And this Vidalia are so super sweet! Thanks for visiting Ale…
Vidalia onions have a very particular flavor in comparison to regular onions. The give a sweeter touch to recipes. Will definitely make this quiche for brunch!
You’ll love it Tiffany. I agree with you: Vidalia onios are so sweet and crispy. Wish we can have them all year round.
Se ve absolutamente delicioso este Vidalia Onion Quiche, lo voy a hacer. Estas cebollas se ven mundiales las voy a buscar en el super 🙂 ¡ Gracias !
Se que te van a encantar Reina y lo mejor es que estas cebollas están de temporada! Gracias por visitar y comentar.
I loved this blog-post. Thanks for sharing all your tips and, oh! those pictures!.
One recipe worth to try!!!!!!!!!!
Thank you darling for visiting and leaving your thoughts! xoxo Enri
Nunca lo he preparado pero es de mis platos preferidos cuando voy a restaurantes y sueño con ese sabor que le debe haber dado las cebollas. Gracias por la receta y buscaré estas cebollitas en Dallas
Eri querida, you’re gonna love this! Go and get those Vidalias! They’re in season now! Un besito- Enri
Enri, ese quiche se ve riquísimo. Leer que las cebollas vidalias son dulces lo que provoca es salir corriendo a comprarlas. ¡Cóntrale, un día me haces esa receta!
Mi Rory que emoción verte por aquí! Esta receta es lo máximo. Imagínate que le iba a poner queso de cabra y cuando probé las cebollas caramelizadas estaban tan, pero tan divinas que me dije no: la dejo solita de cebolla. Un beso y gracias por visitar y comentar.
Te ha quedado de lujo!! Se puede apreciar la textura de esa tarta de cebolla. Me voy animar hacerla, para este día de las madres. La presentación hermosa!!
Síiii! Eso mismo pensé. Es perfecta para el Día de la Madre. Gracias por visitar y comentar Anyela Marie!
This quiche looks awesome!!! I need to try this recipeb with the same onion flavor!
Get your Vidalia. I saw them in Costco. A huge bag. Go get it Pilar. You’re gonna love it!
Con lo que me gusta una quiche! Pero esto se ve supremo-maravilloso!!!!!
Me encanta cuando te veo por aquí. Tienes que hacerla, María Carolina! La cebolla es tan, pero tan dulce… te va a encantar… después de que salga de los vaporones tengo en la lista la quiche de ajoporro y la de espinaca! Un beso…