Mixed Citrus Marmalade
|Water||4 1⁄2 Quart, divided|
|Thinly sliced grapefruit rind||1 1⁄2 Cup (24 tbs)|
|Thinly sliced orange rind||1⁄2 Cup (8 tbs)|
|Chopped grapefruit sections||1 1⁄2 Cup (24 tbs)|
|Chopped orange sections||3⁄4 Cup (12 tbs)|
|Thinly sliced lemon||1⁄2 Cup (8 tbs)|
|Sugar||2 1⁄4 Cup (36 tbs)|
Combine 1 1/2 quarts water, grapefruit rind, and orange rind in a large Dutch oven; bring to a boil.
Boil, uncovered, 5 minutes; drain.
Combine remaining 1 1/2 quarts water, boiled rind, chopped fruit, and lemon slices; bring mixture to a boil, and boil 5 minutes.
Cover and let stand 12 to 18 hours in a cool place.
Uncover; bring mixture to a boil, and boil 35 to 40 minutes or until rind is tender.
Measure amount of fruit and liquid; add 1 cup sugar per 1 cup fruit and liquid.
Stir well; bring mixture to a boil, and boil until mixture registers 221° on a candy thermometer, stirring frequently.
Pour boiling marmalade into hot sterilized jars, leaving 1/4 inch headspace; wipe jar rims.
Cover at once with metal lids, and screw on bands.
Process in boiling water bath 5 minutes.