
Butter mochi is a unique dessert that blends different cultures into one bite. It combines the chewy texture of Japanese mochi with the rich coconut flavor of Hawaii, all brought together through Western-style baking.
It’s not something you traditionally find in Japan, but once you try it, it’s easy to see why it’s so popular. The balance of chewy, buttery, and lightly sweet makes it incredibly satisfying.
A Foolproof Mochiko Dessert

One of the best things about this butter mochi recipe is how simple it is. Everything comes together in one step—just blend and bake.
Among many mochiko recipes, this one stands out because it’s almost impossible to mess up. No complicated techniques, no special skills—just a smooth batter and a reliable bake.
The key is to fully blend the mixture until completely smooth, with no lumps. That’s what gives the final mochi cake its signature texture.
Why Chilling Completely Is the Key

The most important step in this recipe is to let the butter mochi cool completely, then chill it in the refrigerator for at least 2 hours before serving.
When it’s still warm, the sweetness tastes sharper and more intense, and the texture can feel too soft and slightly unstable. Once fully chilled, the sweetness mellows out and the texture becomes perfectly chewy and set.
This step makes a big difference in both flavor and texture, so it’s highly recommended not to skip it.
Ingredients
Glutinous rice flour (mochiko): 2 cups
Baking powder: 1 tsp
Salt: 2 1/2 tsp
Full-fat coconut milk: 1 can (13.5 oz)
Butter (melted and slightly cooled, plus more for greasing): 1/4 cup
Granulated sugar: 3/4 cup
Eggs (large): 2
Vanilla extract: 1/2 tsp
Instructions
- Preheat the oven to 350°F (180°C). Line an 8 × 8 inch pan with crumpled parchment paper.
- In a bowl, combine all ingredients and blend using a hand blender (or a regular blender) until completely smooth and lump-free.
- Pour the batter into the prepared pan. If there are air bubbles, pop them with a toothpick.
- Bake for 1 hour, or until fully set and lightly golden on top.
- Let it cool at room temperature, then refrigerate for about 2 hours until completely chilled before serving.
Ingredients
Method
- Preheat the oven to 350°F (180°C). Line an 8 × 8 inch pan with crumpled parchment paper.
- In a bowl, combine all ingredients and blend using a hand blender (or a regular blender) until completely smooth and lump-free.
- Pour the batter into the prepared pan. If there are air bubbles, pop them with a toothpick.
- Bake for 1 hour, or until fully set and lightly golden on top.
- Let it cool at room temperature, then refrigerate for about 2 hours until completely chilled before serving.







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