Print

River Cottage Mint Jelly

River Cottage Mint Jelly
Print Recipe

A classic, vibrant green jelly with a refreshing mint flavor and perfect gel set. This traditional British condiment pairs beautifully with roast lamb, grilled meats, or cheese boards. The clear, jewel-like appearance comes from careful straining and proper pectin activation.

Ingredients

Scale
  • 2 cups (packed) fresh mint leaves, washed and roughly chopped (about 2 large bunches)
  • 2 cups water
  • 1/4 cup fresh lemon juice, strained
  • 3 cups granulated sugar
  • 1 (3 oz) pouch liquid pectin
  • 2–3 drops green food coloring (optional, for vibrant color)
  • 1/2 teaspoon fine sea salt

Instructions

  1. Prepare the mint infusion: In a medium saucepan, combine the roughly chopped mint leaves and 2 cups of water. Bring to a simmer over medium heat, then immediately reduce to low heat. Cover and let steep for 15 minutes to extract maximum mint flavor without boiling away the volatile oils. The water will turn a pale green and smell intensely minty.
  2. Strain the infusion: Place a fine-mesh sieve over a large, heavy-bottomed pot or Dutch oven. Line the sieve with a double layer of cheesecloth. Pour the mint infusion through, pressing gently on the solids with the back of a spoon to extract all liquid. Discard the spent mint leaves. This straining ensures a crystal-clear jelly with no sediment.
  3. Combine and dissolve sugar: Add the 3 cups of sugar, 1/4 cup lemon juice, and 1/2 teaspoon fine sea salt to the strained mint liquid in the pot. The salt enhances the mint flavor without making the jelly taste salty. Heat over medium-low heat, stirring constantly with a wooden spoon, until the sugar is completely dissolved. This should take 3-4 minutes; do not let it boil yet. The mixture should be perfectly clear.
  4. Bring to a full rolling boil: Increase the heat to medium-high and bring the sugar mixture to a full, vigorous boil that cannot be stirred down. This is critical for pectin activation. Boil hard for exactly 1 minute, stirring constantly to prevent scorching on the bottom of the pot.
  5. Add pectin and color: Remove the pot from the heat. Immediately stir in the entire 3 oz pouch of liquid pectin. If using, add 2-3 drops of green food coloring and stir vigorously for 1 full minute to ensure even distribution and to prevent foam from forming. The mixture will begin to thicken slightly.
  6. Skim and test the set: Use a metal spoon to skim off any foam or bubbles from the surface for a pristine finish. To test the gel set, place a small plate in the freezer for 5 minutes. Spoon a teaspoon of jelly onto the chilled plate and return it to the freezer for 1 minute. Push the edge with your finger; if it wrinkles, it’s set. If not, return the pot to a simmer for 1 more minute and test again.
  7. Prepare jars: While the jelly cooks, sterilize four 4-ounce canning jars and lids by submerging them in boiling water for 10 minutes, or running them through a dishwasher sanitize cycle. Keep them hot until ready to fill.
  8. Fill and seal jars: Carefully ladle the hot jelly into the hot, sterilized jars, leaving 1/4 inch of headspace. Wipe the rims clean with a damp paper towel to ensure a proper seal. Immediately place the sterilized lids on top and screw on the bands until fingertip-tight (snug but not forced).
  9. Process for shelf stability (optional water bath): For shelf-stable storage, process the filled jars in a boiling water bath canner. Ensure jars are covered by at least 1 inch of water. Process for 10 minutes, then remove and let cool undisturbed on a towel for 12-24 hours. You should hear popping sounds as the lids seal.
  10. Cool and check seals: After cooling, check each seal by pressing the center of the lid. It should not flex up and down. Any unsealed jars must be refrigerated and used first. Label jars with the date. The jelly will continue to firm up as it cools completely.

Notes

Storage: Sealed, processed jars can be stored in a cool, dark place for up to 1 year. Once opened, refrigerate and use within 3 months. Unprocessed jelly (if not water-bath canned) must be refrigerated and used within 3 weeks. Freezing is not recommended as it can break the gel structure and make the jelly weepy. Reheating: Not applicable for a jelly. Serve at room temperature for best texture and flavor spreadability.

Nutrition

Keywords: mint jelly, river cottage mint jelly, homemade mint jelly, British condiment, fresh mint jelly, lamb accompaniment, jelly recipe, preserving, mint sauce, herb jelly, canning recipe, gift jar

Find it online: https://britishrecipes.uk/river-cottage-mint-jelly/