Impossible Saskatoon Pie

5 from 16 votes
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Impossible pie? With Saskatoons? Let sit and talk about how this is a REAL THING! Yes, this pie is crustless and bakes up in layers – with Saskatoon berries, blueberries, the sky is the limit! This is a riff on the classic impossible coconut pie.

top down shot of Impossible Pie with Saskatoon Berries in a Pyrex pie dish on wood background

The Classic Impossible Pie Recipe

If you are expecting a crispy pie crust you need to turn away now, for this is not the recipe for you. Go and make my Saskatoon Rhubarb pie instead, if you need a neat pie idea to use up those Saskatoon berries and another summertime bounty. It’s one of my favorites.

*waves hand in front of your face*   This is not the pie crust you are looking for.

All bad Star Wars references aside, anyone who has eaten Impossible Pie before knows that it’s not really about the crust, but the fact that you beat together a schwack of ingredients in one bowl and pour them into a buttered pie plate. The flour will sink to the bottom and form a wobbly flour crust, while the rest creates a custard filling and a topping.

I can’t believe that I just used the word schwack in a recipe. This pie is a last-minute, want-to-use-up-Saskatoons-but-don’t-want-to-make-a-crust type of dessert.

This delicious pie was on the docket for my cookbook, but didn’t make my vicious cutting. I decided that this one was for the website, meaning that technically you guys get a cookbook recipes a year ahead of time! Right? Right. (that’s how I’m going to sell it to you anyway.)

The scene: my house on an August long weekend. My entire family was over, I’d already baked two pies for dinner (those are embargoed cookbook pies, sorry) and I was looking through old cookbooks looking for a great porcupine meatballs recipe, something else that has been on my mind lately but of course, I haven’t gotten around to it. You all have been so patient, this website has been a little slow lately, but I’m rather proud that I have managed to get out at least one post a week and usually two, which you might think isn’t much but when you have a cookbook manuscript due, it’s a miracle. A full-out, Catholic church confirmed miracle.

close up of Impossible Pie with Saskatoon Berries in a Pyrex pie dish on wood background
Impossible Pie with Saskatoon berries

I’ve had a recipe for Impossible Pie kicking around for a while and while it is delicious with its custard filling and crispy coconut topping, I wanted to jazz it up.

Karlynn’s Tips & Tricks for Amazing Impossible Pie

  1. Two cups of Saskatoon berries does the trick, my friends. That’s a whole lotta jazzing up right there. You can also use blueberries if you’re fresh out of Saskatoons, but this pie is now a last-minute favorite for when I am craving Saskatoons but don’t have the time for a pie with a crust.
  2. The crust is not crispy and it’s not supposed to be!
  3. I would say that the impossible crust resembles a firm custard that’s been cooked up, it’s wobbly, not firm but does the trick. I love the eggy custard that forms in the middle it’s absolutely scrumptious. The coconut and the Saskatoons bake up at the top and it’s a taste combination that I am having a serious love affair with. There will be another Saskatoon and coconut mash-up recipe on this website soon, you can bet on it. Honestly, what doesn’t Saskatoons go with? I’ve yet to find it.
  4. This pie is going to rise “edges first”,  but the center will soon catch up with it, don’t worry! It will look absolutely wonky to start, but by the time the 50-60 minutes are done, it will be fabulous!

So now that my manuscript is into my publishers hands, things are going to pick up around here again.

I’m baaaack!

(not that I ever really left but it just feels like the right thing to say.)

Love you more than chocolate,


* note – to use frozen Saskatoons, thaw them on a paper towel to absorb any excess moisture, then dab them slightly. The cornstarch in the pie helps with any extra moisture. This pie was made with frozen Saskatoons! *

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Impossible Saskatoon Pie

A one bowl impossible pie using Saskatoons and NO biscuit mix! This pie magically bakes up into a crust layer, a custard layer and then coconuts and Saskatoon berries on top!
* note – to use frozen Saskatoons, thaw them on a paper towel to absorb any excess moisture, then dab them slightly. The cornstarch in the pie helps with any extra moisture. This pie was made with frozen Saskatoons! *
5 from 16 votes
Prep Time
5 minutes
Cook Time
40 minutes
North American
Karlynn Johnston


  • 4 eggs
  • 1/2 cup melted butter
  • 1 cup white sugar
  • 1 cup of sweetened shredded coconut
  • 1/2 cup flour
  • 2 tablespoons cornstach
  • 1/2 teaspoon salt
  • 2 cups milk
  • 1 teaspoon vanilla
  • 2 cups Sasktoon berries fresh or frozen see notes on frozen


  • Grease and set aside a deep dish 9.5 – 10 inch pie plate. Preheat your oven to 350 °F.
  • Place all ingredients excepting Saskatoons into a large mixing bowl and beat until mixed. Stir in the Saskatoons.
  • Pour into the buttered pie plate and baked in the oven for 50-55 minutes, or until a toothpick inserted comes out clean.

Nutrition Information

Serving: 1pie, Calories: 509kcal, Carbohydrates: 62g, Protein: 8g, Fat: 26g, Saturated Fat: 16g, Cholesterol: 157mg, Sodium: 446mg, Potassium: 247mg, Fiber: 2g, Sugar: 48g, Vitamin A: 790IU, Vitamin C: 4.8mg, Calcium: 118mg, Iron: 1.4mg

All calories and info are based on a third party calculator and are only an estimate. Actual nutritional info will vary with brands used, your measuring methods, portion sizes and more.

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Impossible Berry Pie recipe! Place one bowl of ingredients into a pie plate and you get a flour crust, a custard layer and a berry coconut topping! #pie #baking #berries #saskatoons #blueberries #sweets #desserts #dessert #treat #picnic #recipe

Karlynn Johnston

I’m a busy mom of two, wife & cookbook author who loves creating fast, fresh meals for my little family on the Canadian prairies. Karlynn Facts: I'm allergic to broccoli. I've never met a cocktail that I didn't like. I would rather burn down my house than clean it. Most of all, I love helping YOU get dinner ready because there's nothing more important than connecting with our loved ones around the dinner table!

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Reader Interactions

Comments & Recipe Tips Share a tip or comment!

  1. Maria says

    So good and so easy. I wasn’t sure about – so little flour and so much milk – WOW
    Its supper delicious! Thank you will have to try more of your recipes😍5 stars

  2. Karen says

    To make this gluten free would 1/4 cup cornstarch and 1/4 cup oat flour work ? I also have tapioca flour and rice flour.

  3. Karen says

    Well, I love the idea of adding Saskatoon ,I’m a Canadian girl too but I don’t know what the heck went wrong with my pie. I make impossible coconut pie for years. It does not call for cornstarch in my recipe but I thought OK I’ll go with it. If you’ve ever made a Dutch baby, that’s how my pie turned out. What a mess lol it does not look like a pie

  4. terry reban says

    this has been my “go-to” recipe for saskatoon pie for years!!! i am not a fan of pie crust so for me this is the way to go. i also make one with rhubarb. thanks!5 stars

  5. Lena says

    What are Saskatoon Berries? I have never heard of them, but I would really like to try this pie.

  6. Sharon says

    I use “schwack” as a measurement all the time… must be an Alberta thing. I love your blog!

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