27 September 2026
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World Kitchen Journal
Ube cookie with a mochi heart
The Kitchen
By Jean-Luc Moreau, the Technique desk · Spain · 3 min ·

Ube cookie with a mochi heart

Materials

Ingredients · Servings 9
  • 80 g de harina de arroz glutinoso
  • 20g of white sugar
  • 120 ml of milk
  • 10 g of softened butter
  • The cookie dough
  • 90g of butter (melted)
  • 30g of white sugar
  • 60g of brown sugar
  • a pinch of salt
  • 1 egg
  • 1 teaspoon of vanilla extract
  • 170 g of flour
  • 1 teaspoon of baking powder
  • 20 g of ube powder
  • Optional: 50g of white chocolate chips
Method · 1 h 5 min
  1. For the mochi dough: In a small bowl, mix the glutinous rice flour, sugar, and milk. Cover the bowl with plastic wrap, poke a few small holes in the surface, and microwave at 700-800 W for 1 minute and 30 seconds.
  2. Stir again with a spatula, cover again with the perforated film and heat again in the microwave at 700-800 W for another minute.
  3. Add the softened butter and mix it in with a spatula. Let the dough cool before kneading it by hand; it's best to use gloves, as it's quite sticky.
  4. Form 9 balls of the same size, about 23-25 ​​g each, place them on a baking tray lined with parchment paper and set aside at room temperature.
  5. For the cookie dough: Mix the melted butter with the white sugar, brown sugar and a pinch of salt.
  6. Add the egg and vanilla extract, and stir well until you have a smooth mixture.
  7. Finally, add the flour, baking powder, and ube powder, and mix well. At this point, you can also add the white chocolate chips, if you like. Refrigerate the dough for 30 minutes.
  8. Preheat the oven to 170°C. Divide the dough into 9 portions and form balls of about 43-46 g. Flatten each one and place a mochi dough ball in the center.
  9. Completely cover each portion of mochi with the cookie dough, so that it is well wrapped.
  10. Repeat the process until you have 9 filled cookies.
  11. Bake at 170ºC for 15-20 minutes.
  12. And they're ready!

spatula

transparent film

gloves

What is ube and why is it used in baking?

Ube is a purple tuber that's very popular in several Asian countries. It's especially prized for its deep violet color and its mild, slightly sweet flavor, which works very well in baking recipes. In these cookies, besides adding a striking hue, it provides a unique touch without being cloying.

What can be used as a substitute for ube powder?

If you don't have ube powder, you can prepare the recipe with pure cocoa powder or matcha tea. These are two simple alternatives that change the flavor profile but maintain the appeal of the recipe. Below you'll find some topping ideas for each version.

What toppings can be added?

You can finish the cookies with chopped toasted hazelnuts for a more textured contrast. They also go very well with chocolate chips if you're looking for a sweeter result. In the ube or matcha version, white chocolate is a particularly good match. However, if you make them with cocoa, you can use dark, milk, or white chocolate chips, depending on your preference.

Can glutinous rice flour be substituted?

It's best not to change the flour in this recipe. Glutinous rice flour is what gives mochi its characteristic elastic and tender texture. If you use another flour, the result will be different and these cookies will lose much of their appeal.

How long does the ube cookie with a mochi heart keep?

The ube cookie with a mochi heart keeps well for two to three days in an airtight container at room temperature, although it is much better freshly made and still warm.

Can mochi be prepared in advance?

Yes. You can make the mochi dough in advance and keep it in the refrigerator for a couple of days until you're ready to assemble them. That way you'll have some of the work done ahead of time.

How to get a cuter ube cookie with a mochi heart?

To make the ube cookie with a mochi center extra tender, it's important to work the mochi dough well and keep a close eye on the baking time to avoid overbaking. This ensures the inside retains that soft, elastic texture that makes it so special.

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