Part of our comprehensive guide
The Complete Guide to Sugar Alternatives: Everything You Need to Know →Brown Butter Blueberry Muffins with Jaca
Bakery-worthy brown butter blueberry muffins made healthier with Jaca (allulose). Nutty browned butter, fresh blueberries, and a cinnamon streusel crumb topping come together for the most tender, moist muffins you'll ever make — with all the sweetness and none of the sugar spike. Adapted from Handle the Heat.
Ingredients
- 1 stick (113g) unsalted butter (for browning)
- 2 cups (254g) all-purpose flour
- 1 cup Jaca (allulose), light brown sugar replacement (replaces ½ cup light brown sugar at 2x ratio)
- ½ cup Jaca (allulose), granulated sugar replacement (replaces ¼ cup granulated sugar at 2x ratio)
- ½ teaspoon fine sea salt
- 1 tablespoon baking powder
- ¾ cup (178g) buttermilk, at room temperature
- 1 large egg, at room temperature
- 1 teaspoon vanilla extract
- 1½ cups (210g) blueberries, fresh or frozen (don't thaw)
- ½ cup Jaca (allulose), for crumb topping (replaces ¼ cup granulated sugar at 2x ratio)
- 3 tablespoons (24g) all-purpose flour, for crumb topping
- ½ teaspoon ground cinnamon
- 2 tablespoons (29g) unsalted butter, melted, for crumb topping
Sweetener Used
2 cups Jaca (allulose) total Allulose
Replaces: 1 cup sugar total (½ cup brown + ¼ cup granulated in muffins + ¼ cup in topping)
Instructions
- 1
Preheat the oven to 400°F. Line a standard 12-cup muffin tin with paper liners.
- 2
Brown the butter: In a small stainless steel skillet over medium heat, melt the butter. Swirl the pan occasionally and continue to cook. It will become foamy with crackling noises. Once the crackling stops, keep swirling until the butter smells nutty and amber brown bits form on the bottom — about 2–3 minutes after the popping stops. Pour everything (bits and all) into a medium bowl and set aside to cool.
- 3
Make the crumb topping: While the butter cools, combine ½ cup Jaca (allulose), 3 tablespoons flour, and ½ teaspoon cinnamon in a small bowl. Stir in 2 tablespoons melted butter with a fork until the mixture resembles wet sand. Set aside.
- 4
In a large bowl, whisk together 2 cups flour, 1 cup Jaca (allulose), ½ cup Jaca (allulose), salt, and baking powder.
- 5
In a medium bowl, whisk together the cooled brown butter, buttermilk, egg, and vanilla. Pour the wet ingredients into the dry ingredients and stir with a rubber spatula until just combined — a few streaks of flour are fine.
- 6
Gently fold in the blueberries. Do not overmix. The batter will be thick.
- 7
Divide the batter evenly among the 12 muffin cups. Use your fingertips to sprinkle the crumb topping generously over each muffin.
- 8
Bake for 20–22 minutes until golden brown and a toothpick inserted in the center comes out clean.
- 9
Let the muffins cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
- 10
Store in an airtight container at room temperature for up to 3 days, or freeze for up to 3 months.
- 11
This is a Jaca-adjusted healthier version — all the bakery-style flavor with Jaca (allulose) replacing every bit of sugar at 2x the amount.
Pro Tips
- Jaca (allulose) browns just like regular sugar, making it perfect for the crumb topping — you get that golden, caramelized crunch without any sugar spike.
- Don't skip browning the butter — it adds a deep, nutty flavor that elevates these muffins from good to extraordinary.
- Use real buttermilk for the best texture and tang. DIY substitutions won't give the same tender crumb.
- Do not overmix the batter! A few flour streaks are perfectly fine — they'll incorporate when you fold in the blueberries.
- Frozen blueberries work great — just add them straight from the freezer without thawing.
- For bakery-tall muffins, chill the batter overnight and bake straight from the fridge.