Okinawan Purple Sweet Potato Pie With Haupia Topping

"The Okinawan sweet potato is a very special potato. It doesn't look like much from the outside (<a href="">This site</a> calls it the ugly ducking of potatoes), but it is one beautiful and delicious spud! <p> This pie is a mixture of recipes from <a href="">Reid at Ono Kine Grindz </a> and my family's special shortbread recipe. <p> I would not use any other potato for this recipe. It IS labor intensive, but the pay off is so worth it! This should be a smooth, rich, mouth-watering treat. People always ask me to make this for them.<p> Cooking time does not include overnight refrigeration."
photo by a user photo by a user
Ready In:
2hrs 30mins
1 9X13 pan




  • To Make the Shortbread Crust.
  • Preheat oven to 300 degrees F.
  • Cream the butter and sugar together.
  • Add the eggs one at a time, making sure that the eggs are well incorporated after each addition.
  • Add flour slowly.
  • Add vanilla and chopped macadamia nuts.
  • Press the dough down onto an ungreased 9 X 13 pan.
  • Bake for 30 minutes. Shortbread will not brown. DO NOT OVERCOOK!
  • Let cool.
  • Start on the Okinawan Sweet Potato Pie Filling:.
  • Preheat the oven to 350 degrees F.
  • Peel and dice (about 1-inch cubes) the Okinawan Sweet Potato and steam until tender and dark purple.
  • Whip the potatoes until fluffy. If you prefer a chunkier style of pie, mash the potatoes to your preference. Set aside to allow to cool.
  • In a large mixing bowl, cream together butter and sugar until very fluffy.
  • Add in eggs one at a time and mix until well incorporated.
  • Mix in milk, vanilla and salt.
  • Fold the potatoes into the butter mixture. It should have the consistency of pancake batter.
  • Pour onto the baked crust and bake for 30 minutes.
  • Remove from oven and let it cool down to room temperature.
  • To make the Haupia topping.
  • In a thick-bottomed pot, heat the coconut milk until it is warm.
  • In a large mixing bowl, combine sugar and cornstarch.
  • Add water to the bowl.
  • Slowly add the cornstarch mixture to the pot, whisking constantly until the mixture has thickened. (about 5-7 minutes).
  • Let the mixture cool slightly, and pour it over the baked sweet potato pie layer.
  • Refrigerate overnight.

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  1. HawaiianBaker
    This was good (my husband would give it 4 stars), though I found it to be a little on the dry side. The only change I made was to cut the sugar in half for all parts (personal preference). Next time, I think I will cut the crust recipe in half (for a thinner crust), double the potato filling, and increase the amount of milk in the filling. A great use for our abundance of purple sweet potatoes!


Aloha! <br>My name is Steve, and I am from Hawaii. I grew up in the kitchen. I am 29 years old. I have traveled throughout Asia, Europe and the United States, so I do have a different pallet than most. I like good, honest grub (yes, the restaurant in Tokyo, and just good food too). <br> <br>So, just a personal pet peeve right now... I get so angry when I read reviews like this... <br> <br>This turned out well but it's not particularly creamy, I'd say thick but not creamy. I substituted 1/2 cup of the milk with soy milk and I can't taste the difference. I also reduced the sugar to 1/3 cup and it is the perfect amount of sweetness. I added 1/4 c of raisins or more, because it's just not the same without them. I added some cinnamon too, and used half the amount of nutmeg. I think the reviewers who doubled the custard part had the right idea, but with all the alterations, I think I'll try a different pudding recipe next time. Thanks for sharing, though. (She gave the recipe 3 stars) <br> <br>Now is it just me or did she basically change the recipe sooooooo much that it became something new? If I were to make all the changes that this person did, I wouldn't have rated, just leave a private message.... But come on! If you review a recipe, review the recipe posted, not make major changes and then review! <br> <br>Other than that, I am working on a cookbook of my favorite recipes for my family. I'm gonna give it out for Christmas this year! I'm really excited about that! woot! <br> <br>I am famous for a few things... Red Velvet Cupcakes, Cheesecake Tarts, Furikake Chex Mix and cookies, cookies, cookies! <br> <br><img src=> <br> <br><img src=> <br> <br>What does the ranking system mean to me? <br> <br>5 stars - I will definitely make this again. Probably sooner than later. It might have required minor tweaking, but was a solid recipe. <br> <br>4 stars - I will more than likely make this again. It might have required some tweaks, but overall was a great recipe. <br> <br>3 stars - I might make this again. It was just ok. <br> <br>2 stars - I will probably never make this again. I really didn't like it, and will make it again only if I had a gun pointed at my head. <br> <br>1 star - Sorry. I will never make this again. Even if there was a gun to my head, I would not make it again. I had to throw it away / spit it out / my dog wouldn't go near it, etc.
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