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Home » Recipes » Sweet Potato Crust Quiche

Sweet Potato Crust Quiche

May 11, 2018 · 1 Comment

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Quiche with Sweet Potato Crust with sweet potatoes on the side.

This easy sweet potato crust quiche adds a little sweetness to a savory breakfast or brunch. It’s an amazing alternative if you’re watching carbs or are looking for gluten free options.

A slice of sweet potato quiche

When I’m stumped as to what sounds good for dinner, I’ll make a quiche using up whatever ingredients I have in the fridge. It’s simple and easy and I’ll have leftovers for lunch all week.  The only problem is that I like a crust.

If you’re super organized and have pie crusts already in the freezer, you’re my hero. I’m guessing most of us don’t. Pie crusts are super easy to make, but if you’re just scrounging for dinner, I generally don’t want to take the time to make a crust, especially since quiche takes about forty minutes to cook. Using thinly sliced sweet potatoes for the crust is a perfect solution.

With a sweet potato crust quiche, you get a savory quiche with a thin slice of sweet potato on the bottom that adds a slight sweetness to the quiche. This also solves the problem of a soggy pie crust if you want leftovers.  I love the flavor and texture it adds and it isn’t difficult to prepare at all.

A slice of sweet potato crust quiche with a strawberry

The quiche itself is rich and creamy and can take on any toppings you want to throw in. With the sweet potatoes, I like to keep it simple and add cheese and spinach and a little bacon it I have some already cooked.

What you’ll need

  • Sweet potatoes – you’ll need about two.
  • Eggs – half a dozen
  • Cream – you can use half-and-half but for a velvety texture, stick to cream.
  • Cheese – two cups of your favorite, I like gruyere and mozzarella or cheddar.
  • Spinach – with the sweet potatoes, I like to keep the rest of the filling simple without a lot of other flavors from peppers or onions.
  • Bacon – completely optional, you could also add ham or prosciutto.
  • Nutmeg – it’s just not a quiche without a little nutmeg sprinkled in.
  • Garlic, butter and olive oil.

How do you make a sweet potato crust:

Step 1: Slice the sweet potatoes with a mandolin or knife to about 1/8th of an inch. The thicker the slices, the longer it will need to cook. Once sliced, pour a little melted butter over them and line the pie pan with overlapping slices. 

Slices of sweet potatoes in a pie dish

Step 2: Bake the crust for about 20 minutes.  When you take it out of the oven, if the sweet potatoes have slipped down the sides of the pan, just push them into place.  They should be a little soft but not mushy.

How do you make a perfect quiche every time

Quiche is easy to make all you need is the right proportion of egg to milk. 

Step 1: To make a perfect quiche every time, add 6 eggs to a measuring bowl and add enough cream so that you have a total of 3 cups. That will be about 1 1/2 cups of cream but it will vary depending on the size of your eggs.

Step 2: Saute some spinach and garlic until it’s wilted. Add it to the egg mixture along with cheese and any other fillings you want.

Step 3: Bake for about 40 minutes until it no longer jiggles and let cook for a few minutes before serving.

A quiche in a pie crust made of sweet potatoes

Next time you’re in the mood for quiche but don’t feel like a flour based crust, give sweet potatoes a try.  It’s a healthy choice and also a great alternative for someone who is watching their carbs or is gluten free. 

If you’re in a hurry or don’t want the fat from the cream, try a  sweet potato frittata instead.

A bite of quiche with a sweet potato crust

FAQs and tips

Can you make a sweet potato quiche ahead of time?

You can make the crust in advance and refrigerate it until ready to bake or you can bake the quiche and refrigerate it for a few days. It can also be frozen. Let it thaw and then bake at 350º until warmed through about 20 minutes.

Do you need to pre bake the crust?

The sweet potatoes will not cook if you do not pre bake the crust. Cut them into thin slices, line a pie pan, drizzle with butter and bake for about 20 minutes.

What fillings can you add to a sweet potato quiche?

Fresh spinach is my go to addition for quiche, just cut it after cooking so that you get bite size pieces. Baby spinach will be more mild and has a sweeter taste.

Is this crustless quiche low carb?

It has a total of 6 carbs with the fillings in the recipe.

More recipes with SWEET POTATOES

  • Add them to breakfast in a perfectly moist muffin
  • Include sweet potatoes in chili for a hearty meal
  • Sweeten up some biscuits with sweet potatoes
  • Throw them in a breakfast burrito

More breakfast ideas you’ll love

  • Prosciutto egg cups
  • Sausage and apple pie
  • Sausage balls with almond flour
  • Puff pastry pockets
A slice of sweet potato quiche

Quiche with Sweet Potato Crust

Try using sweet potatoes for a crust for your next quiche. It adds a little sweetness to a savory breakfast or brunch. Great if you're watching your carbs.
5 from 2 votes
Print Pin Rate
Course: Breakfast
Cuisine: American
Keyword: Quiche, sweet potatoes
Prep Time: 30 minutes
Cook Time: 40 minutes
Servings: 8
Calories: 417kcal

Ingredients

  • 1-2 sweet potatoes Peeled and sliced thinly
  • 1 tablespoon butter
  • 1 tablespoon olive oil
  • 1 tablespoons butter
  • 2 cloves garlic minced
  • 5 cups spinach
  • 4 slices bacon cooked and chopped
  • 6 eggs
  • 1 ½ cups cream
  • 1 cup gruyere
  • 1 cup cheddar/mozzarella
  • salt and pepper
  • nutmeg

Instructions

  • Preheat oven to 400º.
  • Coat sweet potato slices with a tablespoon of melted butter and place in a 9 inch pie dish. Overlap the slices with the slices going up the sides of the pie dish. Bake for 20 minutes or until the slices are no longer firm.
  • In a skillet add 1 tablespoon olive oil and 1 tablespoon butter and heat over medium heat. Add garlic and saute for about 1 minute. Add spinach and a pinch of salt and cook until wilted, about 3 minutes. Remove from pan.
  • Add eggs to a large measuring bowl and add enough cream/milk so that the total volume is 3 cups. Whisk until well combined. Add cheese, bacon and spinach. Season with salt and pepper and nutmeg.
  • Pour over the baked sweet potato slices. Turn oven down to 375º and bake for 40-50 minutes until center no longer jiggles. Let cool slightly before serving.

Notes

  • It works best if you cook any fillings before you add them to the quiche.
  • If your slices of sweet potato are thicker, you will need to increase the cooking time for the crust.
  • You can use half-and-half instead of cream.
  • You can freeze this and warm up individual pieces in the microwave or in a 350º oven. 
  • If the sweet potato slices fall down the sides after baking, take a paper towel and gently push them back up the sides of the pie pan.

Nutrition

Calories: 417kcal | Carbohydrates: 6g | Protein: 15g | Fat: 37g | Saturated Fat: 20g | Cholesterol: 228mg | Sodium: 329mg | Potassium: 284mg | Fiber: 1g | Sugar: 1g | Vitamin A: 5236IU | Vitamin C: 6mg | Calcium: 310mg | Iron: 1mg

If you make this recipe be sure to leave a comment and/or give this recipe a rating! Above all, I love to hear from you guys and always do my best to respond to each and every comment. And of course, if you do make this recipe, don’t forget to also tag me on Instagram! I would love to see your creation.

Breakfast and Brunch Recipes, Recipes, Savory Breakfast Recipes

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Comments

  1. cheryl says

    May 12, 2018 at 5:19 pm

    I love this!!! Using sweet potatoes for the crust added a hint of sweetness to the whole quiche! Absolutely brilliant! It’s the next riced cauliflower or zucchini noodles!

    Reply

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Barbara Curry is the culinary adventurer of Butter & Baggage. With a dedicated enthusiasm for real butter made from happy cows she is in constant pursuit of delicious recipes and tasty dishes. She shares her experiences, ventures, and occasional misadventures because let’s face it things can get messy in any kitchen. Read More…

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