Why You’ll Love This Hawaiian Butter Mochi
Picture this: you’re heading to a potluck or picnic, and you want a dessert that wows the crowd without fussing in the kitchen all day. Hawaiian Butter Mochi fits that bill perfectly. This baked treat blends the soft, tender feel of cake with the satisfying chew of Japanese mochi, all wrapped in gentle notes of vanilla, butter, and coconut. It’s gluten-free thanks to sweet rice flour, making it a hit for everyone from busy parents to diet-conscious friends.
One big reason folks rave about this Hawaiian Butter Mochi recipe is its ease of preparation. You mix a handful of pantry staples, pour into a pan, and bake. Total hands-on time clocks in at just 15 minutes, with the oven doing the rest for about an hour. No fancy equipment or skills needed, so even students or working professionals can whip it up after a long day.
This buttery, chewy Hawaiian dessert comes together quickly with just a few ingredients, making it the perfect sweet treat to share with friends or enjoy after dinner.
Health perks add to the appeal. Sweet rice flour keeps it gluten-free, and coconut milk brings healthy fats. It’s not overly sweet, balancing indulgence with smarter choices for seniors or those watching calories. Serve it warm with a dollop of whipped cream, and it feels like a hug in dessert form.
Versatility shines here too. The base works for gluten-free diets naturally. Go vegan by swapping eggs and milk, or lighten it up with less butter. Cut into 24 squares, it’s ideal for church groups or community events, traveling well without crumbling.
That distinctive flavor seals the deal. Buttery richness meets chewy mochi magic, with a golden top that toasts just right. At gatherings, it vanishes fast, sparking chats around the table. I’ve seen it steal the show at Midwestern picnics, bridging islands to heartland tables.
Perfect for Potlucks and Gatherings
On my blog, we focus on dishes that bring people together. This Hawaiian Butter Mochi travels in its pan, stays moist, and serves a crowd. Newlyweds can make it for parties, travelers pack leftovers, and baking enthusiasts tweak it endlessly. Give it a try, and you’ll be the one everyone asks for next time.
Jump to:
- Why You’ll Love This Hawaiian Butter Mochi
- Perfect for Potlucks and Gatherings
- Essential Ingredients for Hawaiian Butter Mochi
- Special Dietary Options
- How to Prepare the Perfect Hawaiian Butter Mochi: Step-by-Step Guide
- Dietary Substitutions to Customize Your Hawaiian Butter Mochi
- Mastering Hawaiian Butter Mochi: Advanced Tips and Variations
- How to Store Hawaiian Butter Mochi: Best Practices
- FAQs: Frequently Asked Questions About Hawaiian Butter Mochi
- What is Hawaiian butter mochi and what does it taste like?
- How is Hawaiian butter mochi different from traditional Japanese mochi?
- What ingredients do I need to make authentic Hawaiian butter mochi at home?
- Can I store butter mochi, and if so, how long will it stay fresh?
- Is Hawaiian butter mochi gluten-free and suitable for people with gluten intolerance?
- Hawaiian Butter Mochi
- Ingredients
- Instructions
- Last Step:
- Notes
- Nutrition
- Did you make this recipe?
Essential Ingredients for Hawaiian Butter Mochi
Gathering the right ingredients makes all the difference in nailing that chewy, flavorful Hawaiian Butter Mochi. Sweet rice flour, also called glutinous rice flour, is the star for its unique texture. Here’s the full list with exact amounts for a 9×13-inch pan yielding 24 squares:
- 1 box (16 oz/450 g) sweet rice flour
- 2 cups (16 oz/454 g) granulated sugar
- 1 ½ teaspoons baking powder
- ½ teaspoon salt
- 4 large eggs, at room temperature
- 2 cups (16 fl oz/450 ml) whole milk, at room temperature
- 1 can (13 fl oz/400 ml) coconut milk
- ½ cup (4 oz/115 g) melted butter
- 2 teaspoons vanilla extract
Learn more about the advantages of baking with sweet rice flour to see why it creates that perfect chew.
Special Dietary Options
Adapt this recipe easily:
- Vegan: Swap eggs for flax eggs (1 tbsp ground flax + 3 tbsp water per egg), use plant-based butter, and almond milk instead of whole milk.
- Gluten-free: Already there with sweet rice flour; double-check baking powder.
- Low-calorie: Use light coconut milk, reduce sugar slightly, or swap half the butter for applesauce.
Optionally toss in 1 cup unsweetened shredded coconut for extra tropical vibe. These tweaks keep the soul of the dish intact.
How to Prepare the Perfect Hawaiian Butter Mochi: Step-by-Step Guide
Ready to bake? This straightforward process takes about 1 hour 15 minutes total. Preheat your oven to 350°F (180°C). Butter a 9×13-inch (23×33 cm) baking pan and line with parchment paper for easy release.
- In a large bowl, whisk together 1 box (16 oz/450 g) sweet rice flour, 2 cups granulated sugar, 1 ½ teaspoons baking powder, and ½ teaspoon salt.
- Add 4 large eggs at room temperature, 2 cups whole milk at room temperature, 1 can coconut milk, ½ cup melted butter, and 2 teaspoons vanilla extract. Whisk until smooth.
- Strain the batter through a sieve into the prepared pan to catch any lumps, ensuring a silky texture.
- Bake for 50-60 minutes until the top turns golden. A toothpick in the center should come out clean.
- Cool completely in the pan on a wire rack. This step is key to prevent sticking.
- Cut into 24 squares. Run a knife under hot water between cuts for clean edges.
Serve warm topped with whipped cream or vanilla ice cream for gatherings. Food enthusiasts love how simple steps yield pro results.
| Step | Time | Tip |
|---|---|---|
| Prep | 15 minutes | Room temp ingredients mix best |
| Bake | 50-60 minutes | Check at 50 min to avoid overbake |
| Cool & Cut | 1+ hour | Patience pays off |

Dietary Substitutions to Customize Your Hawaiian Butter Mochi
Make this Hawaiian Butter Mochi work for any table. Start with protein swaps:
- Replace eggs with flaxseed meal (1 tbsp + 3 tbsp water) or chia seeds for vegan binding.
- Use coconut oil or vegan butter instead of dairy butter.
For veggies, sauces, and seasonings:
- Stir in matcha powder for green tea twist or fruit purees like guava.
- Swap coconut milk for almond milk if nut-free isn’t an issue.
- Use maple syrup or agave in place of sugar.
- A pinch more sea salt or vanilla amps up flavors naturally.
Busy parents appreciate these quick changes. For community organizers, offer a subs table at potlucks. Test one at a time to keep that chewy texture.
Mastering Hawaiian Butter Mochi: Advanced Tips and Variations
Take your Hawaiian Butter Mochi to the next level with these pro moves. Always use room temperature ingredients for smooth batter. Let it rest 10 minutes post-mixing for better hydration. Specifically, use glutinous rice flour for spot-on chew.
Flavor twists: Fold in 1 cup unsweetened shredded coconut, macadamia nuts, or passion fruit swirl. Reducing butter to ½ cup (or less) gives a cakier bite.
Presentation: Dust with powdered sugar, drizzle chocolate, or stack with fruit. For potlucks, keep in pan covered.
Make-ahead: Mix batter day before, bake fresh. Or freeze baked squares up to 3 months. If you love tropical treats, check our Pina Colada Truffles for more island vibes.
Cool the mochi completely before cutting to avoid sticky messes, and run your knife under water for perfect squares every time.
How to Store Hawaiian Butter Mochi: Best Practices
Keep your Hawaiian Butter Mochi tasting fresh. Refrigerate in an airtight container up to 5 days; it stays moist.
Freeze: Wrap pieces in plastic, bag, and store up to 3 months. Thaw overnight, warm gently.
Reheating: Microwave 10-15 seconds or oven at 300°F. For meal prep, portion for grab-and-go. Label dates always. Perfect for working pros or seniors.
Pro tip: Room temp serving revives chew. Pairs great with coffee at gatherings.

FAQs: Frequently Asked Questions About Hawaiian Butter Mochi
What is Hawaiian butter mochi and what does it taste like?
Hawaiian butter mochi is a baked dessert made from glutinous rice flour, butter, coconut milk, and sugar. It has a chewy texture that is denser than cake but softer than traditional mochi. The flavor is mildly sweet with rich notes of butter and coconut, making it popular as a simple yet satisfying treat.
How is Hawaiian butter mochi different from traditional Japanese mochi?
Unlike steamed Japanese mochi, Hawaiian butter mochi is baked, resulting in a denser, cake-like texture with a chewy bite. It incorporates ingredients like butter, coconut milk, and vanilla, which add richness and flavor not typically found in traditional Japanese mochi recipes.
What ingredients do I need to make authentic Hawaiian butter mochi at home?
The key ingredients for authentic Hawaiian butter mochi include glutinous (sweet) rice flour, sugar, baking powder, salt, eggs, whole milk, coconut milk, melted butter, and vanilla extract. Using glutinous rice flour is essential to achieve the signature chewy texture.
Can I store butter mochi, and if so, how long will it stay fresh?
Yes, leftover butter mochi should be stored in an airtight container at room temperature, where it will stay fresh for up to two days. For longer storage, keep it refrigerated for up to a week, but allow it to come to room temperature before serving for best texture.
Is Hawaiian butter mochi gluten-free and suitable for people with gluten intolerance?
Hawaiian butter mochi is naturally gluten-free since it uses glutinous rice flour, which contains no wheat gluten. However, always check that baking powder and other additives are gluten-free to avoid contamination, especially if you have a severe gluten allergy or celiac disease.

Hawaiian Butter Mochi
🥥 Experience the perfect fusion of Hawaiian and Japanese flavors with this butter mochi that delivers an irresistibly chewy texture and delightful tropical sweetness.
🧁 Create a crowd-pleasing gluten-free dessert that combines the best of both worlds – cake-like softness with authentic mochi chewiness in every bite.
- Total Time: 1 hour 15 minutes
- Yield: 24 squares
Ingredients
– 1 box (16 oz/450 g) sweet rice flour
– 2 cups (16 oz/454 g) granulated sugar
– 1 ½ teaspoons baking powder
– ½ teaspoon salt
– 4 large eggs, at room temperature
– 2 cups (16 fl oz/450 ml) whole milk, at room temperature
– 1 can (13 fl oz/400 ml) coconut milk
– ½ cup (4 oz/115 g) melted butter
– 2 teaspoons vanilla extract
– 1 cup unsweetened shredded coconut for extra tropical vibe
– flax eggs (1 tbsp ground flax + 3 tbsp water per egg) to substitute eggs
– plant-based butter to substitute butter
– almond milk to substitute whole milk
– light coconut milk for low-calorie option
– applesauce to substitute half the butter
Instructions
1-In a large bowl, whisk together 1 box (16 oz/450 g) sweet rice flour, 2 cups granulated sugar, 1 ½ teaspoons baking powder, and ½ teaspoon salt.
2-Add 4 large eggs at room temperature, 2 cups whole milk at room temperature, 1 can coconut milk, ½ cup melted butter, and 2 teaspoons vanilla extract. Whisk until smooth.
3-Strain the batter through a sieve into the prepared pan to catch any lumps, ensuring a silky texture.
4-Bake for 50-60 minutes until the top turns golden. A toothpick in the center should come out clean.
5-Cool completely in the pan on a wire rack. This step is key to prevent sticking.
6-Cut into 24 squares. Run a knife under hot water between cuts for clean edges.
Last Step:
Please leave a rating and comment letting us know how you liked this recipe! This helps our business to thrive and continue providing free, high-quality recipes for you.Notes
⏰ Let the mochi cool completely before cutting to prevent sticking and ensure clean, beautiful squares.
🔪 Run your knife under hot water between cuts to prevent the mochi from sticking to the blade.
🥥 For extra coconut flavor, add 1 cup of unsweetened shredded coconut to the batter before baking.
- Prep Time: 15 minutes
- Cook Time: 1 hour
- Category: Dessert
- Method: Baking
- Cuisine: Hawaiian
- Diet: Gluten-Free
Nutrition
- Serving Size: 1 square
- Calories: 219
- Sugar: 28g
- Sodium: 180mg
- Fat: 9g
- Saturated Fat: 6g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 38g
- Fiber: 0g
- Protein: 3g
- Cholesterol: 45mg





