Strawberry Banana Jam - cooking recipe

Ingredients

2 quarts strawberries (cleaned, mashed)
3 tablespoons lemon juice
1 (1 3/4 ounce) box powder Sure-Jell
3 bananas (mashed)
6 3/4 cups sugar
1/2 teaspoon butter

Preparation

Place crushed fruit in sauce pan and add lemon juice.
Stir in fruit pectin; add butter.
Bring to rolling boil and add sugar.
Return to full boil for 1 minute.
Remove from heat;place jam in sterilized jars and invert jars until lids pop.