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–+ servings
A mason jar filled with Blueberry Butter, a spoon lifting some out.
5 from 32 votes
Created by: Stefanie

Blueberry Butter


Course Dip
Cuisine American
Prep Time 10 minutes
Cook Time 8 hours
Total Time 8 hours 10 minutes
3 Cups
Easy slow cooker blueberry butter only requires 10 minutes of prepwork, is a no fuss recipe, and can be made with frozen or fresh berries.
3 Cups

Ingredients

  • 2 pounds fresh or frozen blueberries rinsed
  • 1 ½ 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 Qt. slow cooker.
  • Cover with the lid and cook on LOW setting for 2-3 hours.
  • Use an immersion blender to break up blueberries into a puree ( you can alternately transfer to a food processor or blender). If using a cinnamon stick, set it to the side while blending and then return to the pot.
  • Continue cooking, with the lid offset to create a vent, for 6-8 additional hours.
  • Stir the blueberry butter once an hour and check progress.
  • Blueberry butter is done when it is thick and desired consistency.
  • Transfer blueberry butter to sterile canning jars and cover with lids. Allow to cool to room temperature. (Discard cinnamon stick).
  • Store sealed jars in the refrigerator for up to 2 months or in the freezer for up to 1 year.

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Notes

Storage:
Blueberry butter will keep in the refrigerator for up to three weeks and in the freezer for 1 year.
Notes:
Blueberry butter will thicken further after cooling.
You can also puree the blueberries prior to adding them to the crockpot. Pulverize them, then add to the slow cooker with the other ingredients and proceed to cook over low following the instructions. Skip the step where you blend with the immersion blender. I like to get them cooking first and then blend them so that I have more control over the consistency of the blueberry butter. I like a few chunks in the butter, but you can puree it as much as you wish.
Blueberry butter is a spread, it’s different from a jelly because it doesn’t have the pectin or the high quantity of sugar that makes that really gelatinized consistency. The blueberry butter is lightly sweetened with a hint of warming spice.

Nutrition

Calories: 562kcal | Carbohydrates: 145g | Protein: 2g | Fat: 1g | Saturated Fat: 0.2g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 0.2g | Sodium: 4mg | Potassium: 241mg | Fiber: 8g | Sugar: 130g | Vitamin A: 167IU | Vitamin C: 29mg | Calcium: 31mg | Iron: 1mg

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