Mushroom and Bacon Savory Pie with Potato Crust

Mushroom Bacon Savory PieI spent this past Sunday morning brunching with the ladies in my family. It was delightful, relaxing, and delicious!

Not that I didn’t miss my wily, loud boys at home or anything. 😉

My mom made her Gingered Applesauce, which is coming soon to Cooking On The Weekends! My Aunt brought incredibly delicious chocolate croissants  — from a Chinese restaurant, oddly enough. My cousin and her sweet 4-year-old daughter hosted our get together and made superb coffee.  And I brought the main course, Mushroom and Bacon Savory Pie with Potato Crust!

Mushroom Bacon Savory PieI’m always looking for new, innovative ways to make gluten-free meals.  And I love this one!  While I’m not the first to make a crust with potatoes, I think it works brilliantly!  And the rich, earthy combination of flavors makes this a really satisfying dish.

As you might remember, I truly love brunch and always highly recommend it!  Have one this weekend!  It’ll force you to relax and catch up with friends and family. Do it! 

Serves 8
Total Prep and Cooking Time: 1 hour and 45 minutes
Active Work Time:  about 45 minutes

For the potato crust:
4 cups raw, peeled and finely shredded Idaho Russet potatoes
1 lightly beaten egg
3/4 teaspoon sea salt
1 tablespoon finely chopped, fresh tarragon
1/4 cup olive oil
Freshly ground black pepper
For the filling:
7 strips applewood smoked bacon
Olive oil for the pan
1-1/2 cups thinly sliced brown onion
1 teaspoon finely minced garlic
1-pound Crimini mushrooms
1/4 cup dry sherry
1 tablespoon finely chopped, fresh tarragon
8 eggs
3/4 cup grated Gruyère cheese
Sea salt and freshly ground black pepper

Preheat the oven to 425 degrees F.

To make the potato crust: Use a food processor fitted with the fine grater attachment — or a hand held fine grater — to grate the potatoes.  (The former is much easier!)

As you grate the potatoes, add them to a large strainer over a big bowl. Then use your hands to squeeze as much liquid out of the potatoes as possible.  Potatoes have a very high water content, so you’ll be surprised at the quantity of liquid that you can actually “wring out” the potatoes!

Add the potatoes to a large mixing bowl with the egg, salt, tarragon, olive oil and a few turns of pepper.  Mix until everything is evenly incorporated.

Mushroom Bacon Savory PieGently press the potato mixture into a 10-inch pie plate, covering the bottom and sides evenly.  Place in the preheated oven for about 20 minutes — the potatoes along the sides should be beginning to brown.  Now reduce the heat to 350 degrees F and continue cooking for about another 10 minutes, until the bottom is only slightly golden brown or dry.  Remove from the oven and turn the heat down to 325 degrees F.

While the crust is baking, cook the bacon in a large sauté pan and set it aside on a plate with a paper towel to drain.  (Don’t clean this pan!)

To make the filling: Add the onions and garlic in the pan with the bacon grease.  Over medium heat, cook the onions until they’re soft and slightly caramelized, about 5 minutes.  Add the mushrooms in two batches and cook until they are nicely browned and until no liquid remains in the pan, about 10 to 15 minutes.  (If the pan is looking dry at any point before the mushrooms are cooked, add a bit of olive oil.) Deglaze the pan with the sherry and use a flat wooden spatula to scrape any delicious bits of mushroom and onion off the bottom and into the mixture.  Cook until all of the sherry has been cooked off.  Add the tarragon and season generously with salt and pepper.

In a medium-sized mixing bowl, whisk the eggs just until they are well-blended.  Season them with salt and pepper.

Mushroom Bacon Savory PieAssemble:  Place the cooked bacon strips in one layer over the potato crust.  Add the mushroom mixture on top of the bacon and pour the egg evenly over everything.  Sprinkle the top with the grated Gruyère cheese.

Bake in the preheated oven just until the egg solidifies, about 30 minutes.  If the top hasn’t browned, place the pie under the broiler for about 30 seconds. Cover the pie loosely with foil and let it sit for at about 20 minutes before serving.

Mushroom Bacon Savory PieTimeline:
Up to 1 day and at least 2 hours ahead of time: Make the crust.
Up to 1 hour ahead of time: Cook the bacon.
Up to 1 day and at least 1 hour ahead of time: Make the filling.
The above timeline is great — however this is a dish that, once assembled, seems to get better and better each day!  Yay!  So… you can make and assemble the whole pie up to 3 days ahead of time!  (Reheat the pie in a 325 degree F oven about 30 minutes before serving.)


Vegetarian?  Omit the bacon and start cooking the onion and garlic with olive oil.

Please don’t worry if the bottom of your potato crust appears less cooked than the sides.  It will cook more with the filling and the texture will be divine, and a lovely contrast to the crispy sides.

Print recipe.

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  1. says

    Valentina – I just love your food blog. The photography is beautiful and you create scrumptious looking dishes. I’m in a Pie mode following my Pie Baking class, so this recipe caught my eye. I like how you incorporated the potatoes into the crust. Awesome! Thanks for sharing.

  2. says

    What a great gluten free recipe, thank you for sharing! I have a question, any ideas how I could make this egg free as well? I have to be gluten and egg free, but have brunch twice a month with friends and would like to bring this one time. Happy cooking!

    • valentina says

      Hi Jaime, While I haven’t tried it, I like the idea of using flax as an egg substitute — here’s how to do that — or, I think a regular egg substitute would work as well. Happy cooking to you, and thanks for supporting Cooking On The Weekends! 😀

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