4 c. prepared fruit (about 1 1/2 qt. fully ripened strawberries and 3 ripened bananas)
2 tbsp. lemon juice
5 c. sugar
1 box Sure Jell fruit pectin

Crush completely the strawberries, mash bananas and combine fruit. Measure 4 cups of fruit mixture into a saucepan; add lemon juice.

Mix fruit pectin into saucepan; place over high heat. Stir until mixture comes to a hard boil. Immediately add all sugar and stir.

Bring to a full rolling boil. Boil hard for 1 minute, stirring constantly. Remove from heat. Skim off foam; stir and skim for 5 minutes. Ladle into jars at once; cover with 1/8-inch paraffin wax or process in a boiling water bath for 10 minutes.