1 1-quart mason jar, lid, and ring (or more jars as needed)
Ingredients
1cupconcord grapes,rinsed and stems removed
½cupgranulated sugar
4cupsboiling water (approximately)
Instructions
Prepare a 1-quart home canning jar, lid, and rings according to the manufacturer’s instructions for sterilized jars. Keep the jar and lid hot until filled. Always use new lids. Place the grapes in the hot, sterilized 1-quart jar. Add the sugar.
Pour boiling water into the jar about halfway to ⅔ full; stir well to dissolve the sugar.
Add enough additional boiling water to fill the jar, leaving ¼-inch of head space at the top. Use a damp cloth to wipe any drips from the top and sides of the jar.
Cover with a hot lid and tighten the ring firmly. Repeat this process with as many jars and grapes as you like. Set the hot jar on a rack in a canner or in a large pot of boiling water. The water needs to cover the jar by at least 1-2 inches. Boil the jar for 10 minutes. Remove the jar from the boiling water and set on a towel or rack to cool overnight.
When cool, check the seal. The lid should be down in the center or stay down when pressed. Store in a cool, dark, dry place for at least 3 months or up to 1 year. When ready to use the juice, strain the liquid, discard the solids, and store in a clean jar in the fridge for up to 1 week.
Notes
Scale the recipe to make as many jars of juice as you like. You can prepare one jar at a time if you just have a small batch of grapes, or you can prepare many jars to enjoy throughout the year.
For the most robust flavor, allow the juice to sit for at least 3 months before straining and serving.
Use any fine mesh sieve or strainer to separate the solids from the juice. We have these mason jar strainer lids that are so convenient!