Purple Sweet Potato Pie


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whipped cream on piece of Purple Sweet Potato PieI'm sure many of you have had sweet potato pie. This pie is very similar but uses purple sweet potatoes. Baking the sweet potatoes in the oven (in lieu of boiling them) gives this a beautiful creamy consistency. Baking them also retains their beautiful purple colour. Purple sweet potatoes can be found in grocery stores labeled as Okinawan, Hawaiian, or purple sweet potatoes. They are packed full of potassium, B6, vitamin C, and fiber.


I used pure maple syrup for most of the sweetness in this pie to help detract from any potato flavour without being overpowering, but you can use any sweetening element you like. Since these potatoes are sweet on their own, try adding your sweetener in small increments and tasting it before adding the raw eggs.

Prep Time: 30 minutes plus potato baking time

Cook Time: 55 minutes

Total Time: 1 hour 25 minutes

Yield: 8 servings




  1. Preheat your oven to 350 F. Wrap each potato in foil and bake for about 90 minutes. When you prick them with a fork and the flesh is super soft, they are ready.
  2. foiled potatoes to bake

  3. Allow to cool a bit, then peel the skin off. Simply pinch at the skin with your thumb and index finger and it will peel right off. Set aside.
  4. baked Purple Sweet Potato
  5. To make the crust, melt 4 tablespoons of butter in a bowl then stir in the ground graham crackers.
  6. making pie crust
  7. Mix in 2 tablespoons of maple syrup.
  8. mixing pie crust
  9. Press this mixture into a pie dish. I used a 7" round. Pop in the fridge until ready for use.
  10. pressed pie crust

  11. Preheat oven to 350 F. Mash your purple sweet potatoes until they are smooth and fluffy. I used a hand mixer on high speed. Add milk and beat until silky.
  12. Purple Sweet Potato with milk
  13. Beat in maple syrup a little at a time. You don't have to use 1/3 cup, that's just what was the right sweetness for me.
  14. Purple Sweet Potato with milk & maple syrup
  15. Stir in the cinnamon, nutmeg, ginger, and salt. Taste the mixture before you add the raw eggs.
  16. adding spices to Purple Sweet Potato pie filling

  17. Lightly beat the eggs and mix in.
  18. adding egg to Purple Sweet Potato Pie filling
  19. Take the pie crust out the fridge and pour in the filling. Smooth it out with a spatula so it's nice and even. Pop in the oven for about 25 minutes.
  20. spreading Purple Sweet Potato Pie filling
  21. While the pie is in the oven, start making your streusel topping. Chop the walnuts. I like to use a mix of finely chopped nuts and larger chunks for variety.
  22. chopping walnuts
  23. In a bowl, mix together the oats, the nuts, 2 tablespoons of sugar, and 1/2 a teaspoon of cinnamon.
  24. adding nuts to strudel ingredients

  25. Pour in the 2 tablespoons of melted butter and stir well. Set aside.
  26. adding butter to strudel mix
  27. Pull the pie out the oven at the 25 minute baking mark, cover in the streusel topping, then bake another 30 minutes for a grand total of about 55 minutes in the oven, start to finish. Remove from oven and allow to fully cool on a rack for several hours.
  28. strudel on Sweet Potato Pie

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Silver Feedback Medal for All Time! 451 Feedbacks
July 18, 20190 found this helpful

What a pretty purple pie! I've never seen purple sweet potatoes.
Thank you for sharing another very interesting recipe :)

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Diamond Post Medal for All Time! 1,246 Posts
July 18, 20190 found this helpful

It's very pretty for being all natural, eh :) I loved how it turned out. I'm making some for food-gifts this summer!

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Diamond Post Medal for All Time! 1,298 Posts
July 20, 20190 found this helpful

I have never made a purple sweet potato pie before! I totally need to make this sometime, looks so good! :)

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Diamond Post Medal for All Time! 1,246 Posts
July 21, 20190 found this helpful

Michelle, it was so very good! I baked one for my friends yesterday and they're so in love with it. I hope you give it a shot! :)

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