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Blueberry Rhubarb Jam

This Blueberry Rhubarb Jam combines tart rhubarb and sweet blueberries into a delicious spread that brings summer’s flavor to your table year-round, perfect for gifts or as a breakfast treat.

  • Total Time: 35 minutes
  • Yield: 6 cups 1x

Ingredients

Scale
  • 4 cups blueberries
  • 4 cups chopped rhubarb (about 3 large stalks)
  • 1/2 cup water
  • 2 tbsp bottled lemon juice
  • 3 tsp Pomona's Pectin
  • 1/2 cup cool water (for the calcium powder)
  • 3 tsp calcium water (from Pomona's Pectin box)
  • 1.5 cups sugar

Instructions

  • Prep the water bath canner and sterilize jars.
  • Rinse and chop blueberries and rhubarb.
  • Cook rhubarb with water until softened, then add blueberries.
  • Prepare calcium water using calcium powder and cool water.
  • Combine sugar and pectin; mix into fruit along with lemon juice and calcium water, bring to a boil.
  • Let mixture rest and remove foam, then fill jars with hot jam.
  • Seal jars and process in boiling water for 10 minutes.
  • Cool jars and check seals before storing.

Notes

Use fresh rhubarb and blueberries for the best flavor.
Check pectin for freshness to avoid a runny jam.
Adjust sugar based on personal preference for sweetness.

  • Author: jesseca
  • Prep Time: 20 minutes
  • Cook Time: 15 minutes
  • Category: Condiments
  • Method: Canning
  • Cuisine: American

Nutrition

  • Calories: 50
  • Sugar: 12g
  • Sodium: 0mg
  • Fat: 0g
  • Saturated Fat: 0g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 13g
  • Fiber: 0g
  • Protein: 0g
  • Cholesterol: 0mg