My mom used to make this recipe as a jam, and I loved it. Here it is in jelly form. Like eating a slice of pie. Delicious on pancakes and just about anything else!
1½ pounds red rhubarb stalks
1½ quarts ripe strawberries
½ teaspoon butter or margarine (optional to reduce foaming)
6 cups sugar
6 ounces liquid pectin
Wash and cut rhubarb into 1-inch pieces and blend or grind. Wash, stem and crush strawberries, one layer at a time, in a saucepan. Place both fruits in a jelly bag or double layer of cheesecloth and gently squeeze out juice.
Measure 3½ cups of juice into a large saucepan. Add butter and sugar, thoroughly mixing into juice. Bring to a boil over high heat, stirring constantly. Immediately stir in pectin. Bring to a full rolling boil and boil hard 1 minute, stirring constantly.
Remove from heat, quickly skim off foam and fill hot, sterile jars, leaving ¼-inch headspace. Wipe jar rims and adjust lids. Process for 5 minutes in boiling water bath.