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Maple-Rhubarb Conserve Recipe

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4.2 from 8 reviews

This Maple-Rhubarb Conserve is a delightful blend of tart rhubarb, zesty citrus, sweet maple syrup, and crunchy toasted walnuts. Slow-simmered to a thick, spreadable consistency, it makes a perfect topping for toast, yogurt, or desserts. With a balanced sweetness and a unique hint of cinnamon, this conserve is a fresh and wholesome way to enjoy rhubarb in any season.

  • Total Time: 45 minutes
  • Yield: 16 servings

Ingredients

Walnuts

  • 1/2 cup (60 grams) Walnuts

Fruits

  • 3 cups (340 grams) Rhubarb, chopped
  • 1 Large Orange (zested and juiced)
  • 2 Lemons (zested and juiced)

Sweeteners & Add-ins

  • 1 cup (300 grams) Pure Maple Syrup
  • 1/2 cup (80 grams) Golden Raisins
  • 2 tablespoons Water
  • 1/8 teaspoon Sea Salt
  • 1/8 teaspoon Ground Cinnamon

Instructions

  1. Toast Walnuts: Preheat your oven to 325°F (163°C). Spread the walnuts evenly on a baking sheet and toast for 8-9 minutes, or until they become aromatic and lightly browned. Remove from the oven, let cool, then chop them into smaller pieces. Set aside.
  2. Prepare the Citrus and Combine Ingredients: After juicing the orange and lemons, you should have about 3/4 cup (185 grams) of combined juice. In a medium saucepan or Dutch oven, add the chopped rhubarb, citrus zest and juice, maple syrup, golden raisins, water, sea salt, and ground cinnamon.
  3. Simmer the Conserve: Place the saucepan over medium heat and bring the mixture to a gentle simmer. Reduce heat to maintain a low simmer and cook, stirring occasionally, for about 25-30 minutes. As it cooks, the rhubarb will break down and the mixture will thicken.
  4. Final Cooking and Consistency Test: In the last 5 minutes, reduce the heat to low and stir frequently to prevent the conserve from sticking to the bottom of the pot. You’ll see a thicker mixture that leaves a clear path when stirred. Test the consistency by coating the back of a cold metal spoon with the conserve and running your finger through it after it cools slightly; the path should remain clear without the conserve running back to fill it.
  5. Incorporate Toasted Walnuts: Remove the saucepan from heat and gently stir in the chopped toasted walnuts.
  6. Cool and Store: Allow the conserve to cool to room temperature. Transfer it to lidded containers and refrigerate for up to five days or freeze for several months. When freezing, leave about 1/4 inch of headspace for expansion and make sure the conserve is cooled completely before storing.

Notes

  • Use fresh rhubarb for best flavor and ensure it is chopped into uniform pieces for even cooking.
  • Maple syrup gives a unique flavor profile; do not substitute with honey or other sweeteners for this specific taste.
  • The conserve will thicken further as it cools, so avoid overcooking.
  • Freeze in small portions for easy use and thaw as needed.
  • Can be used as a spread on toast, topping for yogurt, or a mix-in for desserts.
  • Author: Daisy
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Category: Condiment
  • Method: Stovetop
  • Cuisine: American
  • Diet: Vegetarian