Spinach and Mushroom Crustless Quiche

🕒 Prep: 15 min
🔥 Cook: 35 min
🍽 Serves: 6
★★★★★
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If you're looking for a simple yet satisfying dish, this Spinach and Mushroom Crustless Quiche is your answer. It's a delightful blend of savory flavors without the fuss of a crust, making it perfect for any meal of the day.

Spinach and Mushroom Crustless Quiche

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Ingredients for Spinach and Mushroom Crustless Quiche

Ingredients for Spinach and Mushroom Crustless Quiche

The foundation of this quiche is the savory blend of spinach and mushrooms. These veggies provide a hearty texture and earthy flavor. Onions add a touch of sweetness and depth. The creaminess comes from half-and-half, which enriches the egg mixture. Cheddar cheese offers a sharp, tangy bite, while Parmesan cheese brings a nutty, salty finish. A touch of nutmeg enhances the overall aroma, making each bite irresistible.

Why This Spinach and Mushroom Crustless Quiche Works

In the pan, the onions, mushrooms, and spinach soften before they ever hit the oven. The onions slowly turn clear and sweeter, the mushrooms lose some of their water and shrink, and the spinach wilts down. By cooking these first, extra moisture steams off instead of soaking into the egg mixture later, so the quiche doesn’t bake up watery.

In the bowl, the eggs and half-and-half blend into a smooth base. Once the hot vegetables and the cheeses are stirred in, everything is coated in that egg mixture. In the oven, the eggs slowly firm up and set around the vegetables and cheese. The cheddar and Parmesan melt and then cool inside that egg structure, which helps the quiche slice cleanly even without a crust.

As it bakes, the top dries a little faster than the center and starts to brown, so it gets a light golden color while the inside stays soft and custardy. A short rest after baking lets the hot eggs finish setting, so the slices hold together instead of falling apart.

Spinach and Mushroom Crustless Quiche Tips & Tricks

  • If you're short on time, use pre-sliced mushrooms and pre-shredded cheese to speed up prep.
  • Make sure your spinach is dry before adding it to the skillet to avoid excess water in the quiche.
  • For a richer flavor, substitute half of the half-and-half with heavy cream.

Mistakes To Avoid

Pouring the egg mixture into a cold, ungreased dish often makes the quiche stick and tear when sliced. The edges weld to the glass instead of pulling away cleanly, and chunks stay behind in the pan. The slices then come out ragged and can collapse instead of holding a neat wedge shape.

Adding the spinach while it is still very wet from washing can water down the filling. Extra moisture seeps out as it bakes, so the center sets slowly and can stay soft and a bit soggy while the top is already browned. The quiche may look done on top but cut into a wet, loose middle.

Letting the vegetables stay too chunky, especially the onions and mushrooms, can throw off the texture. Big pieces create pockets where the egg mixture does not surround them evenly, so some bites feel dense with vegetables while other parts are mostly egg. The quiche can bake unevenly and break apart along those heavy spots.

Equipment Used:

Oven, Skillet, Mixing Bowl, Whisk, Pie Dish

Ingredients

  1. 1 tbsp olive oil
  2. 1 cup fresh spinach, chopped
  3. 1 cup mushrooms, sliced
  4. 1/2 cup onion, diced
  5. 4 large eggs
  6. 1 cup half-and-half
  7. 1/2 cup shredded cheddar cheese
  8. 1/4 cup grated Parmesan cheese
  9. 1/4 tsp salt
  10. 1/4 tsp black pepper
  11. 1/4 tsp nutmeg

Step-by-step Instructions

  1. 1. Preheat oven to 350°F (175°C). Lightly grease a 9-inch pie dish.
  2. 2. Heat olive oil in a skillet over medium heat. Add onions and cook until translucent, about 5 minutes.
  3. 3. Add mushrooms to the skillet and sauté until they are tender, about 3 minutes.
  4. 4. Stir in the fresh spinach and cook until wilted, about 2 minutes. Remove from heat.
  5. 5. In a mixing bowl, whisk together eggs, half-and-half, salt, pepper, and nutmeg.
  6. 6. Fold in the cooked spinach, mushrooms, and onions along with the cheddar and Parmesan cheeses.
  7. 7. Pour the mixture into the prepared pie dish.
  8. 8. Bake in the preheated oven for 30-35 minutes, or until the quiche is set and the top is golden.
  9. 9. Allow to cool slightly before slicing and serving.

Frequently Asked Questions

Can I make this quiche ahead of time?
Absolutely! It's great to make the night before. Just reheat it in the oven before serving.
Can I freeze leftovers?
Yes, wrap individual slices in plastic wrap and store them in a freezer bag. Reheat in the oven straight from the freezer.
What other vegetables can I use?
You can try bell peppers, zucchini, or even asparagus for a variety of flavors.

Serving Ideas for Spinach and Mushroom Crustless Quiche

This quiche pairs beautifully with a crisp green salad for a light lunch or dinner. Add a side of roasted potatoes for a heartier meal. It's also delightful with a slice of crusty bread to soak up any leftover goodness.

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.