Grapefruit and Meyer Lemon Marmalade

Kate Punshon - Monday, October 03, 2016
For marmalade officados, this combination of grapefruit and lemon produces a deliciously sweet and tangy preserve. Our abundant Marsh grapefruit and Meyer lemon trees form the basis of many of my marmalade recipes. The Meyer lemon, slightly sweeter than other lemon varieties and with a distinctive golden yellow colour offset the intense grapefruit flavour. To get a ruby – blushed marmalade substitute yellow grapefruit with a ruby variety. 

Preparation time: 30 minutes
Cooking time: 1.5 hrs
Quantity: 6 x 325 ml jars


Sterilise sealable glass jars and lids.
Warmed sugar

Ingredient list

1 kg grapefruit
2 lemons (Meyer)
Small knob of butter
1.2 litres water
1.3 kg granulated sugar, warmed


  1. Wash the skin of the grapefruit and lemons to remove any dirt and debris or wax if they have been commercially grown.
  2. Using a vegetable peeler, remove the rind in thick pieces.
  3. Cut the fruit in half and place a fine strainer over a bowl. Squeeze all the juice out into the strainer to separate the flesh, membranes and pips from the juice. 
  4. Place a small knob of butter in the bottom of the preserving pan and pour the grapefruit and lemon juice in. Discard the cut grapefruit and lemon shells 
  5. Place the pips and fleshy membrane mixture into muslin or calico that has been cut into a square. Tie up with kitchen string to make a cloth bag. Leave a sufficiently long tail on the string. Place the cloth bag into the preserving pan and tie it to the handle.
  6. Cut the grapefruit and lemon rind into thin or thick shreds depending upon your liking. 
  7. Place the shreds and water into the preserving pan.
  8. Cover and simmer gently for approximately 1.5 hours until the peel is very tender. 
  9. After an hour of cooking, to warm the sugar, place the sugar into a stainless steel bowl and put into a low oven for approximately 20 minutes.
  10. To test if it is cooked sufficiently, take a piece of peel between your thumb and first finger rub them together and the peel should break down easily to almost nothing.
  11. When the peel is cooked, remove the cloth bag from the pan and allow cooling slightly before squeezing it over the pan. 
  12. Stirring constantly over a low heat add the warmed sugar in 3 batches ensuring the sugar is dissolved before more sugar is added. 
  13. When the sugar is completely dissolved, bring to boil quickly and boil rapidly, uncovered, for 10 – 15 minutes or until the setting point is reached. Do not stir during this time, but keep an eye on the pan so that as the marmalade foams and rises in the preserving pan it does not boil over. 
  14. Remove from the pan from the heat and place on a wooden board. Skim off and remove any scum using a stainless steel spoon or ladle.
  15. Leave to cool for approximately 10 minutes, then stir briskly, and use a funnel to pour into dry sterilised screw cap sealable bottles.
  16. Fill to approximately 2.5cm (I inch) from the top of the bottle and seal using your preferred method.
  17. Seal, label when cold and store in a cool dark place in the kitchen or pantry.
  18. Allow the marmalade to mature for at least 2 weeks before eating.


  1. The addition of a small knob of butter will help to produce a clear marmalade.
  2. Always wash citrus fruit before use to remove any dirt, wax or pesticides that may have accumulated in the rough skin.
  3. When shredding the peel, slice it slightly thinner than required in the finished marmalade. The rind will swell lightly during the cooking process.
  4. Simmer the marmalade mixture gently until the peel is soft. Rapid boiling prior to the peel becoming tender will produce a marmalade with tough peel.
  5. Once the peel is soft and the added sugar is completely dissolved, the marmalade should be then be boiled rapidly. 
  6. To make the cloth bag, drape a square of muslin or calico over a basin. Place the pips and membrane mixture into the cloth. Draw all the edges together and tie with kitchen string. The pips and pith have high pectin content. The addition of some pith will assist the setting process. The more white pith added to the cloth bag, the bitterer the final marmalade will be.



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