Why You’ll Love This Recipe
If you love fruit spreads with a twist, this blueberry butter is a must-try! The slow-cooked blueberries meld with sugar, lemon zest, and a touch of cinnamon and nutmeg to create a rich, sweet, and slightly spicy spread. It’s easy to make with the help of a slow cooker, and it stores well for weeks in the fridge or months in the freezer. Whether you’re spreading it on toast, muffins, or pancakes, this blueberry butter is bound to become a staple in your kitchen.
Ingredients
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2 pounds fresh or frozen blueberries, rinsed
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1½ cups granulated sugar
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Zest and juice of 1 medium lemon
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1 cinnamon stick (or 1 teaspoon ground cinnamon)
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½ teaspoon freshly grated nutmeg
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
Directions
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Place all ingredients into the bottom of a 6-quart slow cooker.
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Cover with the lid and cook on LOW for 2 to 3 hours.
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Use an immersion blender to puree the blueberries into a smooth consistency. If using a cinnamon stick, remove it before blending and return it to the pot afterward.
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Continue to cook with the lid slightly offset to create a vent for another 6 to 8 hours.
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Stir the blueberry butter once every hour and check its progress.
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The blueberry butter is done when it thickens and reaches your desired consistency.
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Remove and discard the cinnamon stick, then transfer the blueberry butter to sterile canning jars. Seal with lids and allow to cool to room temperature.
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Store in the refrigerator for up to 3 weeks or freeze for up to 1 year.
Servings and Timing
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Prep time: 10 minutes
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Cook time: 8 hours
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Total time: 8 hours 10 minutes
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Servings: Approximately 3 jars (depending on size)
Variations
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Sugar-Free Version: Swap granulated sugar for a sugar substitute like stevia or monk fruit for a lower-sugar alternative.
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Spiced Option: Add a pinch of ground cloves or allspice for a deeper, more complex flavor profile.
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Fruit Blends: Experiment with other berries such as raspberries or blackberries for a unique twist.
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Sweetener Options: Try maple syrup or honey in place of sugar for a different sweetness profile.
Storage/Reheating
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Storage: Store the blueberry butter in an airtight jar in the refrigerator for up to 3 weeks. For long-term storage, it can be frozen for up to 1 year.
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Reheating: If frozen, thaw in the refrigerator overnight. Reheat in a small saucepan over low heat until warmed through. Stir occasionally to maintain a smooth consistency.
FAQs
1. How long does blueberry butter last in the fridge?
Blueberry butter will last for up to 3 weeks in the refrigerator when stored in an airtight container.
2. Can I use frozen blueberries for this recipe?
Yes, frozen blueberries work just as well as fresh ones. Just be sure to rinse them before using.
3. Can I make this without a slow cooker?
Yes, you can make this recipe on the stovetop. Cook the ingredients in a large pot over low heat, stirring frequently, for 2-3 hours until it thickens.
4. How do I know when the blueberry butter is ready?
The blueberry butter is ready when it has thickened to a spreadable consistency. Stir it regularly to check the texture.
5. Can I can blueberry butter for long-term storage?
Yes, you can can blueberry butter using proper canning techniques. Ensure that the jars are sterile and sealed tightly before storing them in a cool, dark place.
6. Can I use ground cinnamon instead of a cinnamon stick?
Yes, you can substitute ground cinnamon for the cinnamon stick. Use 1 teaspoon of ground cinnamon for the best flavor.
7. Can I freeze the blueberry butter?
Yes, blueberry butter can be stored in the freezer for up to 1 year. Ensure it is stored in an airtight container for the best results.
8. How do I sterilize jars for canning?
To sterilize jars, place them in boiling water for about 10 minutes. Allow them to dry before filling with the blueberry butter.
9. Can I use other fruits for this recipe?
Yes, you can use other berries like raspberries, strawberries, or blackberries. Just keep in mind that the flavor and texture will change depending on the fruit.
10. How thick should blueberry butter be?
Blueberry butter should be thick enough to spread easily, but not too firm. It should resemble a thick jam or spreadable butter consistency.
Conclusion
This blueberry butter is a deliciously easy spread that transforms simple baked goods into something extraordinary. With its blend of fresh blueberries, warm spices, and the perfect balance of sweetness, it’s sure to become a favorite in your kitchen. Plus, it’s simple to make and stores well, so you can always have a jar of homemade goodness ready to enjoy!

Blueberry Butter
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This luscious blueberry butter is a rich, fruity spread made by slow-cooking blueberries with sugar, lemon, and warm spices until thick and smooth. Perfect on toast, muffins, or pancakes, it brings a burst of flavor to any breakfast or snack.
- Total Time: 8 hours 10 minutes
- Yield: Approximately 3 jars
Ingredients
2 pounds fresh or frozen blueberries, rinsed
1½ cups granulated sugar
Zest and juice of 1 medium lemon
1 cinnamon stick (or 1 teaspoon ground cinnamon)
½ teaspoon freshly grated nutmeg
Instructions
- Place all ingredients into the bottom of a 6-quart slow cooker.
- Cover with the lid and cook on LOW for 2 to 3 hours.
- Use an immersion blender to puree the blueberries into a smooth consistency. If using a cinnamon stick, remove it before blending and return it to the pot afterward.
- Continue to cook with the lid slightly offset to create a vent for another 6 to 8 hours.
- Stir the blueberry butter once every hour and check its progress.
- When the blueberry butter has thickened to your desired consistency, remove and discard the cinnamon stick.
- Transfer the blueberry butter to sterile canning jars. Seal with lids and allow to cool to room temperature.
- Store in the refrigerator for up to 3 weeks or freeze for up to 1 year.
Notes
- For a sugar-free version, substitute sugar with stevia or monk fruit.
- Add cloves or allspice for a more spiced flavor.
- Try blending with raspberries, strawberries, or blackberries for variety.
- Use maple syrup or honey instead of sugar for a natural sweetener option.
- Frozen blueberries work just as well as fresh.
- Author: Julia
- Prep Time: 10 minutes
- Cook Time: 8 hours
- Category: Condiment, Spread
- Method: Slow Cooker
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 tablespoon
- Calories: 35
- Sugar: 8g
- Sodium: 0mg
- Fat: 0g
- Saturated Fat: 0g
- Unsaturated Fat: 0g
- Trans Fat: 0g
- Carbohydrates: 9g
- Fiber: 0.5g
- Protein: 0g
- Cholesterol: 0mg