{"id":"cmuvnrdvx04m9ks01cz0gssbt","title":"Watermelon Jam","description":"Before You Begin:Prepare calcium water. To do this, combine ½ teaspoon calcium powder (in the small packet in your box of Pomona's pectin) with ½ cup water in a small, clear jar with a lid. Shake well. Extra calcium water should be stored in the refrigerator for future use.","status":"READY","collection":"PERSONAL","servings":null,"prepMinutes":null,"cookMinutes":null,"ingredients":[{"name":"watermelon puree (use a seedless watermelon)","quantity":4,"unit":"cup","quantityText":"4","section":"","preparation":""},{"name":"calcium water","quantity":4,"unit":"tsp","quantityText":"4","section":"","preparation":""},{"name":"lemon juice","quantity":0.5,"unit":"cup","quantityText":"1/2","section":"","preparation":""},{"name":"sugar (up to 2 cups)","quantity":0.75,"unit":"cup","quantityText":"3/4","section":"","preparation":""},{"name":"Pomona's pectin powder","quantity":3.5,"unit":"tsp","quantityText":"3 1/2","section":"","preparation":""}],"steps":["Wash jars, lids, and bands. Place jars in canner, fill canner 2/3 full with water, bring to a boil. Turn off heat, cover, and keep jars in hot canner water until ready to use. Place lids in water in a small sauce pan; cover and heat to a low boil. Turn off heat and keep lids in hot water until ready to use.","If watermelon is seedless, puree fruit to a pulp in blender or food processor. If watermelon has seeds, remove the seeds prior to pureeing.","Measure puree into sauce pan.","Add calcium water and lemon juice, and mix well.","Measure sugar into a bowl. Thoroughly mix pectin powder into sugar. Set aside.","Bring fruit to a full boil. Add pectin-sugar mixture, stirring vigorously for 1 to 2 minutes to dissolve the pectin while the jam comes back up to a boil. Once the jam returns to a full boil, remove it from the heat.","Fill hot jars to ¼” of top. Wipe rims clean. Screw on 2-piece lids. Put filled jars in boiling water to cover. Boil 10 minutes (add 1 minute more for every 1,000 ft. above sea level). Remove from water. Let jars cool. Check seals; lids should be sucked down. Eat within 1 year. Lasts 3 weeks once opened."],"tags":[],"notes":"","wasPreviouslySold":false,"updatedAt":"2026-10-05T15:54:24.661Z","sources":[{"title":"Watermelon Jam.docx","uri":"https://docs.google.com/document/d/1sq0TI_eEO-GmUCrDlUVjaItXiaPpo6aA/edit?usp=drivesdk&ouid=105286369994265575089&rtpof=true&sd=true","downloadUri":"/api/recipes/cmuvnrdvx04m9ks01cz0gssbt/sources/cmuvnrdvy04maks012typ9co4"}],"costPerServing":null}