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Slow Cooker Blueberry Butter

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  • Author: Lidia
  • Prep Time: 10 minutes
  • Cook Time: 8 hours
  • Total Time: 8 hours 10 minutes
  • Yield: 3 servings (as per original; adjust based on jar size)
  • Category: Condiment / Spread
  • Method: Slow Cooker / Canning
  • Cuisine: American
  • Diet: Vegetarian

Description

A creamy, lightly spiced blueberry spread slow‑cooked to jam‑like perfection—ideal for toasting, pastries, or gifts.


Ingredients

  • 2 pounds fresh or frozen blueberries, rinsed
  •  cups granulated sugar
  • Zest and juice of 1 medium lemon
  • 1 cinnamon stick (or 1 tsp ground cinnamon)
  • ½ tsp freshly grated nutmeg

Instructions

  1. Place all ingredients into the bottom of a 6‑quart slow cooker.
  2. Cook on LOW for 2–3 hours with the lid on.
  3. Use an immersion blender to puree the berries; remove the cinnamon stick if used.
  4. Continue cooking, lid offset for venting, for an additional 6–8 hours, stirring hourly, until thickened to desired consistency.

Notes

  • No need to process jars in a hot water bath if stored in the refrigerator or freezer.
  • Can use fresh or frozen blueberries interchangeably.
  • You may substitute lemon zest with orange or lime zest for a different citrus twist.