Blueberry Jam with Lavender

Blueberry jam with lavender is a luscious low sugar blueberry jam made with frozen blueberries, lemon, and just enough culinary lavender for a delicate floral note. With its soft, spoonable texture and concentrated berry flavour, this homemade blueberry lavender jam is particularly lovely when you prefer preserves that are not overly sweet.

Hey folks – I hope you all are doing well!

Today I’m sharing another recipe featuring one of my favourite summer flavour combinations: blueberries and lavender. This blueberry jam with frozen blueberries and lavender is easy to make year-round, and there is no need to thaw the berries first. It is also intentionally less sweet than traditional jam, allowing the blueberries to shine. Lemon adds brightness, while lavender provides a subtle aromatic finish. So, let’s dive into!

What Makes This Blueberry Jam with Lavender Special

There is a lot to love about this recipe, but its character really comes down to balance. It is a blueberry-forward jam first and foremost. The lavender, lemon, and brown sugar all complement the fruit without competing with it.

Blueberry Jam with Lavender: A Low Sugar Jam That Keeps Blueberries Front and Centre

Many traditional jam recipes rely on a generous amount of sugar, both for sweetness and for achieving a firm set. This low sugar blueberry jam takes a different approach.

• Less sweetness. With only a modest amount of added sugar, the natural sweet-tart character of the blueberries remains prominent.
• More fruit flavour. Rather than tasting primarily sweet, the finished jam has a concentrated blueberry flavour.
• Bright acidity. Lemon juice provides plenty of brightness and keeps the flavour lively.
• Subtle depth. Light brown sugar has a slightly deeper flavour than granulated sugar, but there isn’t enough here to give the jam an obviously caramel or molasses-like character.

As with most of my homemade jams, the reduced sweetness is intentional. If you generally find conventional preserves too sugary, this one offers a much more fruit-forward alternative.

Lavender Adds a Subtle Floral Note to This Blueberry Jam

Blueberries work particularly well with floral flavours, and lavender adds an aromatic dimension without changing the essential character of the jam.

For this recipe, I use dried culinary lavender and either rub it between my fingers or mince it before adding it to the blueberries. Breaking up the buds helps distribute the lavender more evenly throughout the fruit.

One teaspoon may sound like a small amount for such a large batch of blueberries, but lavender can quickly become overpowering. Here, it creates a noticeable yet restrained floral background. You should still taste blueberries first, followed by bright lemon and a delicate lavender finish.

Be sure to use lavender labelled for culinary use rather than ornamental lavender, which may not be intended for consumption.

Frozen Blueberries Work Beautifully

There is no need to thaw the blueberries first. Add them straight from the freezer with the lemon juice and lavender, then slowly bring the mixture to a gentle boil. As the berries warm, they will soften and release plenty of juice.

Once the juices have been released, increase the heat and gently boil for about 10 minutes to cook down some of the excess liquid and concentrate the blueberry flavour. Then add the light brown sugar and simmer for another 10–15 minutes. Finish with optional pectin if you want a slightly thicker set, or simply cook the jam longer without it.

This Is an Intentionally Soft-Set Jam

Don’t expect this blueberry jam with lavender to set as firmly as a traditional high-sugar jam. Its softer consistency is intentional and particularly nice for spooning over toast, pancakes, yogurt, or desserts.

The relatively small amount of sugar contributes to that softer set. You have two options depending on the consistency you prefer:

• Add pectin. I add about a tablespoon of classic pectin near the end of cooking when the jam still looks looser than I want. It helps the mixture thicken without requiring a much longer cooking time.
• Skip the pectin. For blueberry jam without pectin, simply continue cooking until more liquid evaporates and the consistency looks right to you.

Keep in mind that the jam will continue to thicken as it cools. It is better to finish with a slightly soft consistency than to cook it excessively in pursuit of a very firm set. Longer cooking also reduces the final yield and can gradually shift the flavour away from the fresh, vibrant blueberry character.

Ingredients You’ll Need for This Low Sugar Lavender Blueberry Jam

You only need five ingredients for this recipe, and one of them – the pectin – is completely optional.

• Blueberries. I used frozen blueberries straight from the freezer. There is no need to thaw or drain them first.
• Culinary lavender. Use dried lavender specifically intended for culinary purposes. Rub the buds between your fingers or mince them to distribute the flavour more evenly.
• Lemon juice. A generous amount of lemon juice balances the blueberries and sugar while giving this blueberry lemon jam a brighter, fresher flavour.
• Light brown sugar. I prefer light brown sugar here for its subtle depth. Because the amount is quite small compared with the quantity of fruit, it doesn’t overwhelm the blueberries.
• Pectin. Classic pectin is optional. It is useful if you want the soft jam to thicken a little more without extending the cooking time considerably.

Possible Additions and Variations

The blueberry, lemon, and lavender combination doesn’t need much adjustment, but there are a few simple ways to adapt the recipe.

• Add lemon zest. For a more pronounced blueberry lemon jam, add some finely grated lemon zest along with the juice.
• Use granulated sugar. Replace the light brown sugar with granulated sugar if you prefer a cleaner, more neutral sweetness.
• Adjust the lavender. You can slightly reduce the lavender for an even more restrained floral note. I wouldn’t significantly increase it, as too much lavender can quickly overpower the blueberries.
• Skip the pectin. Simply simmer the jam longer until enough liquid has evaporated and it reaches your preferred consistency.
• Adjust the texture. Leave more blueberries intact for a chunkier preserve, or crush them as they cook for a more uniform consistency.

What Does Low Sugar Mean for Homemade Blueberry Jam?

Using substantially less sugar changes more than simply how sweet a jam tastes. Sugar plays several roles in traditional preserves, including helping with gel formation and preservation. That makes it important to approach a low sugar blueberry jam differently from a conventional high-sugar recipe.

For this particular recipe, here’s what the reduced sugar means:

• The fruit is more prominent. The blueberries remain the dominant flavour instead of being masked by a large quantity of sugar.
• The set is softer. This jam isn’t designed to become exceptionally firm. Optional pectin can help with thickening while preserving its soft, spoonable character.
• Cooking time may vary. If you omit the pectin, you may need to cook the jam somewhat longer to evaporate additional moisture.
• The yield may change. The longer you reduce the fruit, the less finished jam you will have.
• Storage matters. Because this recipe contains considerably less sugar than conventional jam, I treat it as a refrigerated or freezer jam rather than relying on the sugar as part of a traditional preservation method.
• It isn’t a tested canning formula. If you want shelf-stable jars for pantry storage, use a properly tested canning recipe designed specifically for reduced-sugar preserves rather than adapting this recipe for water-bath canning.

The advantage is a homemade blueberry jam that tastes primarily of fruit. The trade-off is that you need to think of it as a fresh preserve with appropriate refrigerated or frozen storage rather than simply reducing the sugar in a traditional shelf-stable jam.

How to Make Blueberry Jam with Lavender

Making this blueberry jam with lavender is straightforward. Combine the frozen blueberries, lemon juice, and culinary lavender in a saucepan and slowly bring to a gentle boil. Once the berries have softened and released their juices, increase the heat slightly and gently boil for about 10 minutes to reduce some of the liquid. Stir in the light brown sugar and simmer for another 10–15 minutes, stirring occasionally. If needed, add the optional pectin near the end and cook briefly, or continue cooking a little longer without pectin.

How to Tell When the Jam Is Ready

Cooking times are always approximate when making homemade jam. The juiciness of the berries, size of your saucepan, and cooking temperature can all affect how quickly the mixture reduces.

Look for these signs rather than relying only on the clock:

• Reduced volume. The mixture should have noticeably cooked down, with less free liquid around the berries.
• Thicker juices. The blueberry juices should look glossy and lightly syrupy rather than thin and watery.
• A coated spoon. When you lift a spoon from the saucepan, the jam should coat it instead of immediately running off like juice.
• A soft set. Remember that this is intentionally a soft jam. It does not need to look very thick while still hot.
• Further thickening. The jam will become noticeably thicker as it cools, particularly if you use the optional pectin.

If you’re uncertain, place a small spoonful on a chilled plate and let it sit briefly. It should thicken as it cools while remaining soft and easily spreadable.

Storage and Make Ahead

Because this is a low sugar blueberry lavender jam, I recommend storing it in the refrigerator rather than treating it as a traditional shelf-stable preserve.

Transfer the cooled jam to clean jars or airtight containers and refrigerate. For longer storage, divide it into freezer-safe containers, leaving some room for expansion, and freeze.

Always use a clean spoon when serving the jam and discard it if you notice mould, fermentation, an unusual smell, or other signs of spoilage.

As noted above, this recipe has not been developed as a water-bath canning formula. If you want shelf-stable blueberry jam, use a tested preservation recipe specifically formulated for reduced-sugar canning.

How to Serve Blueberry Jam with Lavender

This soft blueberry lavender jam works particularly well anywhere you want something more spoonable than a firmly set preserve.

• Toast and scones. Spread it over warm toast, biscuits, croissants, or freshly baked scones.
• Breakfast. Spoon it over pancakes, waffles, French toast, oatmeal, or yogurt.
• Cheese. Pair it with creamy or mildly tangy cheeses such as Brie, Camembert, goat cheese, or cream cheese.
• Desserts. Serve it with vanilla ice cream, panna cotta, cheesecake, or simple cakes.
• Baking. Use it as a filling or swirl for cakes, bars, thumbprint cookies, or other desserts.

More Homemade Jam Recipes

If you enjoy homemade preserves with plenty of fruit flavour and less sweetness, just like this blueberry jam with lavender, be sure to check out some of my other jam recipes as well.

• Strawberry Lavender Jam (Soft, Low Sugar)
• Strawberry Jam with Amaretto (Soft, Low Sugar)
• Cherry Amaretto Jam – A Lower Sugar Homemade Jam
• Maple Fig Jam (With Lemon and Vanilla)

I’d love for you to try this low sugar blueberry jam with lavender. If you give the recipe a go, please share your results in the comments, message me on Instagram, or post your photos with the hashtag #havocinthekitchen. I look forward to seeing your creations and hearing your thoughts!

Cheers!