Plum Berry Jam
You can substitute 1 cup blueberries for strawberries.
INGREDIENTS | MAKES 4 PINTS
2 cups red raspberries
1 cup strawberries
1 cup peeled, diced ripe plum
5 cups sugar
½ cup light corn syrup
¾ cup water
1 (3-ounce) package powdered fruit pectin
Mix the fruit together with the sugar and let stand for 15 minutes.
Place the fruit in a pan with corn syrup and water. Bring to a boil.
Add pectin and continue boiling for 1 minute. Cool and put into containers. This can be refrigerated or frozen; leave ½ inch of headspace if freezing.