Mushroom and Spinach Quiche

🕒 Prep: 15 min
🔥 Cook: 40 min
🍽 Serves: 6
★★★★★
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If you're craving a dish that's both comforting and elegant, this Mushroom and Spinach Quiche is your answer. It's a delightful way to make the most of fresh, seasonal produce and a wonderful addition to any meal, whether it's breakfast, brunch, or even a light dinner.

Mushroom and Spinach Quiche

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Ingredients for Mushroom and Spinach Quiche

Ingredients for Mushroom and Spinach Quiche

The base of our quiche is a classic pie crust, which provides a flaky, buttery foundation. We sauté mushrooms to bring out their earthy, umami flavor. Fresh spinach adds a pop of color and nutrients. The eggs and heavy cream come together to form a rich, custardy filling. A blend of Gruyere, mozzarella, and Parmesan cheeses adds depth, creaminess, and a bit of tang. Finally, a touch of salt, black pepper, and nutmeg rounds out the flavors with a subtle warmth.

Why This Mushroom and Spinach Quiche Works

As the mushrooms cook in the pan, they lose a lot of their water and start to brown. That browning gives them a deeper taste and keeps them from leaking liquid into the quiche later. When the spinach goes in, it wilts down and also lets go of extra moisture. By the time the vegetables go into the crust, they are soft but fairly dry, so the bottom of the quiche doesn’t turn soggy.

In the bowl, the eggs and heavy cream blend into a smooth liquid. Once everything goes into the oven, that egg-and-cream mixture slowly firms up. The eggs set and hold the mushrooms, spinach, and cheeses in place, almost like a gentle custard. Heavy cream keeps the texture soft instead of rubbery.

While it bakes, the cheeses melt into the egg mixture and around the vegetables. Gruyere and mozzarella melt and stretch, and Parmesan on top dries a bit and browns. By the end, the filling is set but still tender, the top is golden, and each slice holds together cleanly.

Mushroom and Spinach Quiche Tips & Tricks

  • Blind bake the crust for 10 minutes if you like a crisper bottom.
  • Use pre-shredded cheese to save time, but freshly grated will melt better.
  • Swap heavy cream with half-and-half for a lighter version.
  • Add a sprinkle of fresh herbs like thyme or chives for extra flavor.

Mistakes To Avoid

Pouring the egg mixture into a hot pie crust or while the mushroom-spinach filling is still sizzling can start to cook the eggs on contact. This creates rubbery, scrambled bits around the edges while the center is still liquid, so the quiche bakes unevenly and sets in lumpy layers instead of a smooth custard.

Letting the quiche bake until it is completely firm in the center often leads to a dry, spongy texture. As it cools, the eggs keep setting, so what looked “just set” in the oven turns stiff and overcooked on the plate, and the custard loses its soft, creamy feel.

Skipping the step of cooking the mushrooms until they are golden and the spinach until it wilts and releases its liquid leaves too much moisture in the filling. In the oven, that extra water seeps into the custard and crust, so the center can stay a bit wet and the bottom crust turns soggy instead of holding its shape.

Equipment Used:

Pie pan, Frying pan, Whisk, Oven

Ingredients

  1. 1 9-inch pie crust
  2. 2 tbsp olive oil
  3. 1 cup diced mushrooms
  4. 2 cups fresh spinach
  5. 4 large eggs
  6. 1 cup heavy cream
  7. 1/2 cup shredded Gruyere cheese
  8. 1/2 cup shredded mozzarella cheese
  9. 1/4 cup grated Parmesan cheese
  10. 1/4 tsp salt
  11. 1/4 tsp black pepper
  12. 1/4 tsp nutmeg

Step-by-step Instructions

  1. 1. Preheat oven to 375°F.
  2. 2. Roll out the pie crust and fit it into a 9-inch pie pan.
  3. 3. Heat olive oil in a pan over medium heat. Add mushrooms and sauté until golden brown.
  4. 4. Add the spinach to the pan and cook until wilted. Remove from heat.
  5. 5. In a bowl, whisk together eggs, heavy cream, salt, black pepper, and nutmeg.
  6. 6. Spread the mushroom and spinach mixture evenly in the pie crust.
  7. 7. Sprinkle the Gruyere, mozzarella, and Parmesan cheeses over the vegetables.
  8. 8. Pour the egg mixture over the filling, ensuring even distribution.
  9. 9. Bake for 35-40 minutes or until the center is set and the top is golden brown.
  10. 10. Allow the quiche to cool for a few minutes before slicing and serving.

Frequently Asked Questions

Can I make this quiche ahead of time?
Yes, you can prepare it a day ahead and reheat it in the oven at 350°F for about 15-20 minutes.
Can I freeze the quiche?
Absolutely! Let it cool completely, wrap it tightly, and freeze for up to 2 months. Thaw before reheating.
What if I don’t have Gruyere cheese?
You can substitute with Swiss cheese or even sharp cheddar for a different flavor profile.

Serving Ideas for Mushroom and Spinach Quiche

This quiche pairs beautifully with a simple green salad tossed in a light vinaigrette. For a heartier meal, serve it alongside roasted potatoes or a bowl of soup. It’s also lovely with a glass of chilled white wine or sparkling water with a twist of lemon.

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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.