Ingredients for Grapefruit And Pineapple Marmalade
- 1 large pineapple, peeled, cored, and diced (about 4 cups)
- Grapefruit
- Lemon
- 7 cups granulated sugar
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How to Make Grapefruit And Pineapple Marmalade
- Wash and thoroughly scrub grapefruits and pineapple.
- Cut grapefruits in half and remove all the pith and white membrane. Segment the grapefruit, reserving the juice separately.
- Peel and core pineapple. Dice into small, uniform pieces.
- Combine grapefruit segments, juice, pineapple, sugar, and water in a large, heavy-bottomed pot.
- Bring mixture to a rolling boil over medium-high heat, stirring constantly to prevent scorching.
- Reduce heat to a simmer, stirring occasionally. Continue to simmer until the marmalade reaches setting point (approximately 220°F/104°C on a candy thermometer).
- To test for setting point: Place a small spoonful of marmalade onto a chilled plate. Let cool slightly. If it wrinkles when pushed with your finger, it's ready.
- Remove from heat and skim off any foam.
- Ladle hot marmalade into sterilized jars, leaving 1/4 inch headspace.
- Wipe jar rims clean, place lids and rings on jars, and process in a boiling water bath for 10 minutes (adjust time according to your altitude – see resources on safe canning practices).
- Remove jars from canner and let cool completely. Check for seals (lids should not flex). Store in a cool, dark place.
Nutrition Information (Approximate per serving)
Sodium
0 g
Sugar
3g
Fat
0g
Carbs
0g