Savory Mushroom Spinach Tart

Name: Savory Mushroom Spinach Tart
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 8 servings
Ingredients: 1 pre-made pie crust; 2 cups mushrooms, sliced (such as cremini and shiitake); 3 cups fresh spinach, chopped; 1 small onion, diced; 2 cloves garlic, minced; 4 large eggs; 1 cup heavy cream; 1 cup shredded cheese (such as Gruyère or mozzarella); Salt and pepper to taste; Olive oil for sautéing

Highlighted under: Cozy Classics

I absolutely love making this Savory Mushroom Spinach Tart! The combination of earthy mushrooms, fresh spinach, and flaky pastry creates a delightful dish that's perfect for brunch or a light dinner. The rich flavors meld beautifully, and the tart is surprisingly easy to prepare. Plus, it makes for an elegant presentation that is sure to impress friends and family. Whether served warm or at room temperature, this tart always garners rave reviews and I find myself making it over and over.

Created by

Lara

Last updated on 2026-03-05T05:10:22.100Z

When I first experimented with this Savory Mushroom Spinach Tart, I was amazed at how quickly it came together. I sautéed the mushrooms until they were golden and added a dash of garlic to enhance the flavor. It’s incredible how these simple steps can elevate the overall taste of the dish. I love using a mix of mushrooms to add depth and texture.

The trick I discovered is to use fresh spinach instead of frozen; it keeps the tart's texture light and helps it hold its shape beautifully in the oven. I recommend letting the tart cool slightly before slicing, which makes the serving much easier.

Why You Will Love This Recipe
Earthy mushrooms paired with fresh spinach create a harmonious flavor blend.
Flaky pastry adds a delightful crunch, making every bite a treat.
Perfect for sharing at gatherings, this dish looks as good as it tastes.

Choosing the Right Mushrooms

The choice of mushrooms significantly impacts the flavor profile of your Savory Mushroom Spinach Tart. While cremini and shiitake mushrooms are excellent options known for their earthy notes and robust texture, you can also experiment with other varieties. For a subtle sweetness, consider adding some portobello mushrooms or even oyster mushrooms. Each type brings its unique characteristics—cremini offers a nutty, rich flavor, while shiitake adds an umami depth to the dish.

Always slice your mushrooms uniformly to ensure even cooking. Aim for slices about a quarter-inch thick. This not only allows them to brown nicely but also helps them integrate seamlessly into the filling. If you find your mushrooms releasing a lot of moisture, increase the heat slightly to help evaporate the excess liquid, concentrating the flavors further.

Perfecting the Custard Mixture

The custard is crucial for achieving the perfect texture in your tart. Whisk together the eggs and heavy cream until the mixture is glossy and well combined. It’s important to incorporate air into the custard, as this will help create a light and fluffy filling. I suggest whisking vigorously for about 1-2 minutes to achieve that airy consistency before adding in your cheese and sautéed vegetables.

For an extra depth of flavor, consider adding a pinch of nutmeg or a sprinkle of parmesan cheese to the custard mixture. Nutmeg pairs surprisingly well with spinach and mushrooms, enhancing the savory profile of the dish without overpowering it. Furthermore, if you’re aiming for a lighter option, you can substitute half of the heavy cream with whole milk, though this may slightly alter the richness.

Storage and Make-Ahead Tips

This Savory Mushroom Spinach Tart can be made ahead of time, making it an ideal dish for brunch gatherings or family meals. If prepared in advance, allow the tart to cool completely, then cover it tightly with plastic wrap and refrigerate for up to 3 days. When you're ready to serve, simply reheat it in the oven at 350°F (175°C) for about 10-15 minutes until warmed through, which will help maintain the flaky crust.

If you want to freeze the tart, bake it as instructed, let it cool, and slice it before wrapping each piece in plastic wrap, then foil. This method helps preserve the texture when reheating. To enjoy frozen leftovers, thaw overnight in the refrigerator before reheating. This not only simplifies meal prep but also ensures you always have a delicious option ready to go.

Ingredients

Gather the following ingredients to create a delicious Savory Mushroom Spinach Tart:

Ingredients

1 pre-made pie crust
2 cups mushrooms, sliced (such as cremini and shiitake)
3 cups fresh spinach, chopped
1 small onion, diced
2 cloves garlic, minced
4 large eggs
1 cup heavy cream
1 cup shredded cheese (such as Gruyère or mozzarella)
Salt and pepper to taste
Olive oil for sautéing

With all your ingredients ready, you're set to make this delectable tart!

Instructions

Follow these easy steps to create your Savory Mushroom Spinach Tart:

Prepare the filling

In a skillet, heat olive oil over medium heat. Sauté the onions until translucent, then add the garlic, cooking until fragrant. Add the sliced mushrooms and cook until they are browned. Stir in the chopped spinach and cook until wilted. Season with salt and pepper, then remove from heat.

Prepare the custard

In a large bowl, whisk together the eggs and heavy cream until well combined. Stir in the shredded cheese and the sautéed mushroom-spinach mixture. Mix until evenly distributed.

Assemble the tart

Preheat your oven to 375°F (190°C). Place the pie crust in a tart pan or pie dish. Pour the filling into the crust, spreading it evenly.

Bake the tart

Bake the tart in the preheated oven for 25-30 minutes, or until the filling is set and the top is golden. Remove from the oven and let it cool slightly before slicing.

Enjoy your handmade Savory Mushroom Spinach Tart, either warm or at room temperature!

Pro Tips

For added flavor, consider topping the tart with freshly grated parmesan before baking. You can also include herbs like thyme or rosemary to enhance the taste.

Serving Suggestions

When serving your Savory Mushroom Spinach Tart, consider pairing it with a fresh side salad to balance the rich flavors. A light vinaigrette will enhance the earthy notes of the tart without overpowering it. For a more filling option, serve it alongside a soup, like tomato basil or a creamy potato leek, which complements the buttery pastry beautifully.

This tart is versatile and can be enjoyed warm, at room temperature, or even cold. Cutting it into bite-sized squares transforms it into a perfect appetizer for parties. You can also serve it with a dollop of sour cream or a sprinkle of fresh herbs such as parsley or chives for added freshness and color.

Common Troubleshooting Tips

If you find that your tart crust is soggy after baking, this may be due to the moisture from the mushrooms. To prevent this, you can pre-cook the pie crust for about 10 minutes before adding the filling. This par-baking will give the crust a head start and help it maintain its texture when the filling is added.

Another common issue is an uneven cook. To avoid this, ensure that your filling is evenly distributed in the crust. Additionally, rotating your tart halfway through baking can help achieve that beautifully golden top and ensure an even bake across the tart. Keep an eye on it during the last few minutes to get the perfect degree of doneness.

Questions About Recipes

→ Can I use frozen spinach instead of fresh?

Yes, but be sure to thaw and drain the frozen spinach well to avoid excess moisture in the tart.

→ What type of mushrooms is best for this recipe?

A mix of cremini and shiitake mushrooms adds a depth of flavor, but feel free to use your favorites.

→ Can the tart be made ahead of time?

Yes, you can prepare the filling and assemble the tart a day in advance. Just bake it fresh before serving.

→ Is this recipe suitable for vegetarians?

Absolutely! The tart is fully vegetarian and packed with nutrients.