This Blueberry Parfait with Lemon Curd is sweetened with allulose and a high-protein treat that's bright, balanced, and blood sugar-friendly. Creamy Greek yogurt is mixed with sweet-tart wild blueberries, then topped with a generous dollop of vibrant lemon curd for a refreshing, satisfying dessert.
Lemon curd is one of those delicious treats that's typically off-limits for anyone dealing with insulin resistance. But did you ever imagine you could make a sugar-free version sweetened with allulose that tastes every bit as good as the original? Read on to see how easy and rewarding it is to make from scratch.
Why this Blueberry Parfait is Blood Sugar-Friendly
- Combines protein-rich Greek yogurt with healthy fats from lemon curd
- Uses allulose to sweeten the lemon curd instead of refined sugar
- Includes fiber-rich blueberries to support steady glucose response
- Designed to help support insulin sensitivity when enjoyed as part of a balanced meal
Ingredients for Blueberry Parfait with Lemon Curd
- Greek yogurt: A high-protein base that helps slow digestion and promote satiety; learn more about high protein foods here
- Wild blueberries: Provide fiber and antioxidants, with a naturally sweet-tart flavor
- Lemon curd (allulose-sweetened): Adds richness and brightness without the blood sugar spike of traditional sugar-based curds
- Eggs (in the curd): Provide structure and a small amount of protein
- Grass-fed Butter (in the curd): Adds fat for creaminess and helps support steady energy
Ingredient Swaps and Substitutions
- Frozen raspberries for wild blueberries
- Use lime juice instead of lemon for the curd
- Serve the curd over cottage cheese for an even bigger protein boost
About the Lemon Curd Ingredients
This lemon curd is smooth, vibrant, and perfectly spoonable, with a bright citrus flavor and no refined sugar. It's delightfully sweet and tart, without being cloying, and pairs perfectly with creamy Greek yogurt and juicy blueberries.
- Eggs and egg yolk: Thicken the curd and add richness and protein
- Butter: Creates a smooth, creamy texture and adds fat, which slows digestion. We like using grass-fed salted butter, as it balances the sweetness and enhances the flavors. Note: Grass-fed butter has more unsaturated fats than conventional butter.
- Allulose: Provides sweetness without the glucose spike
- Fresh Lemon juice and zest: For bright, concentrated citrus flavor
Why Lemon Zest Works Here
Mixing lemon zest with allulose helps release the natural citrus oils, giving the curd a more intense lemon flavor without adding extra liquid (which can make the lemon curd thin or loose).
Step-by-Step Instructions (Lemon Curd)
- First, in a heat-safe glass bowl, combine allulose and lemon zest.
- Gently rub together to release the oils.
- Whisk in eggs and egg yolk until smooth.
- Add lemon juice and mix well.
- Place the bowl over a pot of gently simmering water (double boiler method).
- The bowl should sit above the water, not touching it.
- Using a rubber spatula, stir constantly, scraping the sides and bottom.
- Cook for 8–12 minutes, until thickened to a loose pudding consistency. Remove from heat and stir in butter until smooth and glossy.
- Place a large fine-mesh sieve over a glass bowl and strain out the lemon zest and any lumps that may have formed.
- Last, chill for at least 3–4 hours, or until fully set.
Let's Talk About the Double Boiler
If the words "double boiler" make you sweat, it's time to relax and take a deep breath.
The double-boiler method is simple and helps prevent overheating. You don't need any special equipment — just a pot and a slightly larger heat-proof glass bowl.
- Place the heat-safe glass bowl over a pot of simmering water
- This set-up allows the steam to gently cook the mixture and prevents the eggs from turning into scrambled eggs or curdling
A Quick Note on Cookware
- When making lemon curd, avoid using reactive metals like aluminum or copper, as lemon juice can react with them and affect flavor and texture.
- Stainless steel and ceramic-lined cookware is fine to use, but if you cook the lemon curd directly in the pot (not using the double boiler method), use low heat and stir constantly.
Blueberry Parfait with Lemon Curd Nutrition Highlights
- High in protein from Greek yogurt
- Contains healthy fats to support satiety
- Includes fiber and antioxidants from blueberries
- Balanced to help support blood sugar stability
Important Note About Servings
For accurate nutrition information, this recipe is based on 8 servings. If you’re not serving all at once, store the lemon curd separately and assemble each parfait just before serving for the best texture and flavor.
Common Questions
You can, but to get a jam-like texture similar to the thawed blueberries, cook the berries in a pot with a little water until they burst and release their juices. You will then want to swirl the cooled blueberries and juices into the yogurt. The same goes for other fresh berries.
Yes, if refrigerated in an airtight container, it keeps for up to a week.
Yes, but use a nonreactive pot as indicated above and cook over very low, even heat. Be sure to stir constantly to keep the eggs from getting too hot, too quickly, which can result in scrambled/curdled eggs.
You can make individual portions of the berries and the yogurt ahead of time, and top them with the lemon curd and more berries right before serving.
Yes, as long as the whisk is made of non-reactive metal, like stainless steel (which most are).
Blueberry Parfait With Lemon Curd sweetened with allulose is a satisfying dessert that will delight your taste buds without spiking your blood sugar. If you try this, or any of our other recipes, we hope you'll leave us a rating and review below. Enjoy!
Recipe
Blueberry Parfait with Lemon Curd
Equipment
- 2 Glass Pyrex Bowls optional
- 1 4 quart Stainless Steel Saucepan optional
Ingredients
For the Yogurt and Blueberries
- 4 cups plain Greek yogurt
- 2 cups frozen wild blueberries thawed
- Additional blueberries for garnish optional
For the Lemon Curd
- 3 large eggs whole eggs
- 1 egg yolk
- ½ cup allulose
- ⅓ cup fresh lemon juice
- 1 teaspoon lemon zest
- 6 tablespoons butter salted, cubed
Instructions
For the parfait
- In a large glass bowl, swirl the thawed blueberries into the Greek yogurt until streaks form.4 cups plain Greek yogurt, 2 cups frozen wild blueberries
- Top each dessert cup with lemon curd.
- Garnish each cup with more thawed blueberries.Additional blueberries for garnish
To Make the Lemon Curd
- In a heat-safe glass bowl, combine allulose and lemon zest.½ cup allulose, 1 teaspoon lemon zest
- Gently rub together to release the oils.
- Whisk in eggs and egg yolk until smooth.3 large eggs, 1 egg yolk
- Add lemon juice and mix well.⅓ cup fresh lemon juice
- Place the bowl over a pot of gently simmering water (double boiler method).
- The bowl should sit above the water, not touching it.
- Using a rubber spatula, stir constantly, scraping the sides and bottom.
- Cook for 8–12 minutes, until thickened to a loose pudding consistency. Remove from heat and stir in butter until smooth and glossy.6 tablespoons butter
- Place a large fine-mesh sieve over a glass bowl and strain out the lemon zest and any lumps that may have formed.
- Chill for at least 3–4 hours, or until fully set.
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