Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (2024)

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An elegant and sweet desert with a vibrant purple middle to the pie.

Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (1)

The first time I was introduced to the wonderful dessert was when I was at my grandma’s house in Kailua. All the cousins, uncles, and aunts were over for a family potluck. After we were all pau (finish) eating, the desserts were brought out. My aunt brought over one of those big foiled pans covered in foil. After she unwrapped it, all I saw was just a white a layer, which I assumed was haupia. I thought “Eh why not try it, I haven’t had haupia in awhile.” To my pleasant surprise, not only was there only a haupia layer, but it had a mystery purple layer and a crunchy shortbread layer. First bite I took, had me mystified. Second plate I was over the moon. Third plate, I wish I didn’t eat too much of that sushi bake. Fourth plate, I had to get the recipe. Fifth plate, I wanted to take the whole pan home. Sixth plate, my family was teasing. So, here we are!

What is the Purple Layer?

The purple layer is mashed Okinawan Sweet Potato. It a popular sweet potato grown locally in Hawaii. It made its way to the Hawaiian islands thanks to the Japanese. The sweet potato actually thrived in the islands due to its rich volcanic soil.

Sometimes people can get the Okinawan sweet potato mixed with Ube (pronounced ooh-bae). It’s totally understandable because they look and taste slightly the same. Ube is pretty much a purple yam that is popular in the Philippines and used quite commonly in desserts.The only difference is that Okinawan sweet potato grows underground like a potato while ube grows above ground on vines. Despite that one difference, it is totally fine to use the two ingredients interchangeably.

Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (2)

How to Cook the Okinawan Sweet Potato

It’s quite simple to use in this recipe:

  • Boil the potato until it is tender enough to pierce a fork through
  • Peel the skin off
  • Mash the potatoes

It’s pretty much the same as regular potatoes, except these potatoes are purple.

Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (3)

Video Tutorial

Check out this video to help you gain more insight on how to make Okinawan Sweet Potato Haupia Pie. Also, subscribe to myYouTubeto help support me so I can continue making more of these contents. Mahalo!

Okinawan Sweet Potato Haupia Pie

An elegant and sweet desert with a vibrant purple middle to the pie.

Print Recipe

Prep Time:30 minutes mins

Cook Time:1 hour hr 15 minutes mins

Chill:1 hour hr

Total Time:2 hours hrs 45 minutes mins

Equipment

  • Oven

  • Pastry cutter

  • 9x13 inch pan

Ingredients

Shortbread Crust:

  • 2 cups flour
  • 1/2 cup sugar
  • 1 cup chopped butter chilled
  • 3/4 cup nuts (optional)

Sweet Potato Filling:

  • 1/2 cup softened butter
  • 1 cup sugar
  • 2 eggs
  • 2 cups mashed Okinawan sweet potatoes
  • 1/2 cup evaporated milk
  • 1 tsp vanilla extract
  • 1/4 tsp salt

Haupia Topping:

  • 1 (14 oz) can coconut milk
  • 1 cup milk
  • 1 cup water
  • 1/2 cup cornstarch
  • 1 cup sugar
  • whipped cream (optional) topping

Instructions

Shortbread Crust:

  • Preheat the oven to 350°F.

  • In a large bowl combine the flour, sugar, and chilled chopped butter. Chop the ingredients up using a pastry blender until it starts to have a crumbly texture.

  • Pour the mixture into a 9x13 pan and evenly spread it out. Flatten the crust using either your hand or a flat object.

  • Bake for 15-20 minutes.

Sweet Potato Filling:

  • Boil the potatoes until it is tender enough to pierce a fork through.

  • Peel and mash the potatoes in a large bowl. Measure out two cups of the mashed potatoes.

  • Cream the butter and sugar. Then add in the eggs and mix. Gradually mix in the mashed potatoes. Lastly add in the evaporated milk, vanilla extract, and salt. Mix well.

  • Pour onto the baked crust and bake again for 30-35 minutes.

Haupia Topping:

  • Combine coconut milk, milk, water, cornstarch, and sugar. Whisk until there are no clumps and sugar particles.

  • Heat it over medium heat and consistently stir until it thickens and bubbles.

  • Turn off heat and let it cool for a few minutes.

  • Pour onto the sweet potato filling and make sure it has spread out evenly. Let it chill in the fridge until the haupia firms up. About and hour or two.

  • It is optional to top it off with whipped cream. Cut into square pieces and enjoy!

Servings: 32

Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (5)

Ono Hawaiian Recipes

  1. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (6)
    Thanks for the recipe! You are missing eggs in the ingredient list. Anyway, i had all the ingredients at home so I am trying it out for the first time. It’s chilling now, so gonna enjoy it later 🙂

    Reply

    1. Ohhh! Thank you so much! I’ll update it right now. Let me know how it turns out 🙂

      Reply

      1. I just sneaked a piece while the kids are napping. Mmm sooo good. And I’m delighted I can make it myself if I really wanted to. Tempted to eat another but I will wait to enjoy with my family 🙂 thanks again!

        Reply

  2. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (7)
    I just made this and it was fabulous. My hubby couldn’t stop eating. I don’t know what I did wrong but when I made the sweet potato part it was so runny. I ended up putting little over 4 cups of sweet potatoes just to get the same consistency as in your video. It still tasted amazing though. My husband said reminded him for his childhood.

    Reply

    1. I had the same issue. Used all I had, just over 3 cups, still runny. I do live at a high altitude. I dont know if this was a factor. It set up ok, just more cake-like

      Reply

  3. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (8)
    i tried to skimp on the butter, so the crust was a little crusty . i substituted stevia for sugar and used a mix for the haupia. it is pretty darn good!! i also put organic dried coconut flakes in the haupia. used walnuts in crust i like all the Crunch!

    Reply

  4. Do you have to use the additional milk when making the haupia portion?

    Reply

  5. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (9)
    Totally 5 stars! Thank you for this recipe! Everyone loved it. I followed and it came out perfect!

    Reply

    1. I’m so happy to hear that!!

      Reply

  6. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (10)
    Huuuuuui, Tani! We had a family gathering on May 28th. Just by looking at your recipe, I could tell it was ono, so I made two batches. Gooood ting! It was a hit and so delicious. I won’t tell you how many pieces I had. My ohana devoured it. Thank you for this and all your wonderful local recipes.

    On a side note, I was pressed for time so I made the dessert a couple of days in advance and froze it. It was perfect for the BBQ!

    Reply

    1. Ohhh that sounds so awesome! Glad it was a hit with the ohana 🙂

      Reply

  7. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (11)
    Loooovee this recipe!! But did anyone else have way too much crust?? I had enough to make almost 3 9×13 pans 🤷🏻‍♀️

    Reply

  8. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (12)
    Hi,
    Is there a reason not to peel the potato before boiling it? I find it easier to peel hard potatoes than cooked. Thanks!

    Reply

  9. Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (13)
    This was so yummy! I cut the recipe in half and used a 9in round pan which worked just fine. The crust was amazing and the color was beautiful! All my guests loved it. Thanks 🙂

    Reply

Leave a Reply

Okinawan Sweet Potato Haupia Pie - 'Ono Hawaiian Recipes (2024)

FAQs

Is Okinawan sweet potato the same as Hawaiian sweet potato? ›

In Japan, the Okinawa sweet potato is called beni imo. Some people may ask, "Is Okinawan sweet potato the same as Hawaiian sweet potato?” Yes, it's the same variety. And in the US state, they also call it uala.

Is Okinawan sweet potato healthy? ›

The Okinawan sweet potato plays a central role. It's rich in anthocyanins, giving it a deep purple color, and anti-inflammatory compounds. These compounds may help to protect against age-related diseases such as Alzheimer's, heart disease, and cancer.

What is the difference between Stokes and Okinawan sweet potatoes? ›

Okinawan sweet potatoes have a white exterior and a purple interior, while Stokes' are purple on the inside and the outside. These eye-catching vegetables get their color from anthocyanin pigments, which are the same pigments that give cherries, strawberries, and purple yams their colors.

Can you eat the skin of Okinawan sweet potato? ›

The skin of Okinawan sweet potato is thin, like an Irish potato, and can be eaten. Ube has a thick, bark-like skin, which allows the crop to store for longer, but is unpleasant to eat. Okinawan sweet potatoes are in the morning glory family and completely unrelated to yams, such as ube.

Why are Okinawan sweet potatoes so healthy? ›

The primary nutritional benefit, and the one for which Okinawan sweet potatoes are especially prized, is their high antioxidant levels. The antioxidant known as anthocyanin is the pigment which is responsible for the brilliant purple color of the flesh.

Which sweet potato is world's healthiest? ›

The more yellow or orange its flesh, the healthier it may be, and purple sweet potatoes are even healthier!

What is the healthiest sweet potato to eat? ›

Okinawa Purple Sweet Potato

It has a tan skin that looks similar to a russet potato, but when cut has a deep purple flesh. It's less moist than other sweet potatoes and has a nutty flavor. Purple sweet potatoes are some of the most nutritious varieties, and the Okinawa sweet potato is one of the healthiest you can eat.

Can diabetics eat Okinawan sweet potato? ›

When eaten in moderation, all kinds of sweet potatoes are healthy. They're very high in antioxidants, vitamins, and minerals and can safely be included in a diabetes-friendly diet.

What is another name for Okinawan sweet potatoes? ›

The Okinawa sweet potato, also called beni imo, purple sweet potato, or Hawaiian sweet potato. The Okinawan sweet potatoes are so nutritious that they even became Hollywood famous. They were featured on the Oprah Winfrey Show in 2009, then Dr. Oz listed them as one of his top five Superfoods of 2010.

Is Taro the same as Okinawan sweet potato? ›

Though often generically labeled “purple sweet potato” in the United States, roots like taro, yams like ube, and Okinawan sweet potatoes arrive from totally different plants and totally different parts of the globe. And each carries a distinct flavor.

Is purple yam the same as Okinawan sweet potato? ›

For the uninitiated, ube (pronounced ooh-bae) is a starchy vegetable also as known as a purple yam. But it is not the same as purple sweet potatoes, though they are similar and can be substituted in recipes. Ube is often confused with Stokes Purple sweet potatoes or Okinawan sweet potatoes which are also purple.

What is Elvis Presley pie? ›

Chef Paula Haney shares with Duff the bakery's recipe for the Fat Elvis Pie, which was inspired by Elvis Presley's love of peanut-butter-and-banana sandwiches. The pie includes chocolate pastry cream, peanut butter filling and slices of banana in a crust made of graham cracker crumbs, dry roasted peanuts and pretzels.

Who makes sweet potato pies for Walmart? ›

She leads a team of professionals to bring quality bakery products to over 4,500 store locations. A notable accomplishment is that Kinna is the person responsible for creating the Patti Labelle Sweet Potato Pie.

Does Mrs Smith make sweet potato pies? ›

Smith pies they were a family favorite, after looking all over for them since last November with no luck, I have learned they have been discontinued.

What is the name of the Hawaiian sweet potato? ›

Three were essential staple food crops — kalo (taro), ulu (breadfruit), and uala (Hawaiian sweet potato).

What is Hawaiian sweet potato? ›

'Uala, or sweet potatoes, have been a staple crop in Hawai'i for centuries, with varieties introduced from South America by Polynesian voyagers centuries ago. Early Hawaiians appreciated this hardy tuber for its ability to thrive in drier climates.

What is Okinawan sweet potato in Hawaii? ›

Also known as Okinawan Sweet Potato, 'Uala is a local favorite with deep purple color. Delicious roasted, grilled, fried, in stews and stir-fries, or puréed in mashes, pies, and other desserts.

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