Grapefruit Jam Recipe

Tracy R. | Sugarcrafter Updated

This canned grapefruit jam recipe is tangy and terrific. Give it a try today!

Canned Grapefruit Jam Photo

While many around the country are experiencing the first signs of spring, here in upstate NY, it's still very much winter… in fact, we won't see much fresh produce here that isn't grown indoors until near the end of April.

However, despite the still-frigid temperatures, a few days of sunshine had my mind wandering toward warmer days…and although citrus season is still in full swing, I decided to change up my normal canning routine by making a citrus jam rather than a marmalade, which always tend to be a bit more on the bitter side due to the inclusion of the fruit peel.

I love that this jam only has two ingredients. You don't even need pectin here, as the combination of the grapefruit and sugar provides enough to give a good jammy set without it.

You can always add more flavors if you like, such as vanilla bean, but if you are preserving this in a water bath canner make sure that you stick to the ratio of fruit to sugar here. This ensures you have a safe product to enjoy all year long!

If you do reduce the sugar or swap in another type of sweetener such as honey or low-calorie sweetener, I recommend keeping this jam in the refrigerator rather than processing it.

Red Grapefruit Jam Picture

When selecting your grapefruits, look for ones that are heavy but firm. The shape should be rounded, but with a bit of a flattened bottom and top. Perfectly round fruits will likely be bitter and underripe!

This grapefruit jam has just the right amount of tang, and once the prep work is done, cooks up rather quickly into a gorgeous ruby spread. It's just perfect over homemade biscuits or as the feature in angel food jam cake

I imagine it would be just as lovely with pink grapefruit or a combination of both red and pink, and I hope you'll give it a try.

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Grapefruit Jam Recipe

    64 Servings

Ingredients

  • 4 Ruby Red Grapefruits
  • 4 cups Granulated Sugar

Directions

Cut off the tops and bottoms of the grapefruit, and then cut each grapefruit into quarters. Using a sharp knife, cut the fruit from the rind and pith. Then, working over the pot you'll be using to cook the jam, separate the fruit into segments. Use your fingers to gently peel each segment from its surrounding membrane so that you are left with only the fruit.

Squeeze the membrane over the pot in order to collect any juices before discarding (or, collect the membrane, pith, and seeds in cheesecloth, bundled and tied at the top, to boil with the jam for some extra natural pectin). Prepare your canning supplies. Bring the temperature of the glass jars up by processing them in hot water for several minutes, and heat a few cups of water in a small saucepan for the lids.

Add the sugar to the grapefruit and over high heat, bring the mixture to a boil. Boil hard, stirring constantly, until the mixture reaches the gel stage, about 20 minutes longer. When you reach the gel stage, skim off any foam and ladle the hot jam into the hot jars, leaving 1/4″ headspace. Place the lids and bands on top, screwing on the bands just until fingertip-tight. Place the full jars back into the boiling water and process 10 minutes. Remove from the water and place the jars on a towel. Let the jars cool. The seals should suck down (you’ll hear a popping noise as they do). Makes about 4 eight-ounce jars.

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Cooking Method:
Canning
Category:
Jams
Tags:
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Related Recipes:
Canning Recipes, Grapefruit Recipes, Fruit Recipes, Jam Recipes
Recipe Yields:
4 jars
Prep Time:
Cook Time:
Total Time:
Related Post:
Published:
Author: Tracy R.
Recipe Yields: 4 jars
Prep Time: 30 minutes
Cook Time: 15 minutes
Total Time: 45 minutes

Nutrition Facts

Serving Size 1 tablespoon
Servings Per Recipe 64

Amount Per Serving
Calories from Fat 0
Calories 55

% Daily Value*
0%
Total Fat 0g
0%
  Saturated Fat 0g
0%
Sodium 0mg
5%
Total Carbohydrate 14g
0%
  Dietary Fiber 0g
  Sugars 13g
0%
Protein 0g

* Percent Daily Value are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Nutrition Facts are estimated based on ingredients and data provided by Fat Secret. Please consult a doctor if you have special dietary needs.
Tracy R.

About Tracy

Tracy fell in love with locavorism, and built a business out of Canning & Preserving. She shares all sorts of recipes on Sugarcrafter, and her passion for canning here, but we love her rhubarb jam most of all.