Strawberry Pie Filling 7 quarts 6 quarts Strawberries 6 cups sugar 2 1/4 cup Clear Jel 7 cups water ½ cup Lemon Juice Combine sugar and Clear Jel in a large kettle. Stir. Add water and, if desired, food coloring. Cook on medium high heat until mixture thickens and begins to bubble. Add lemon juice and boil 1 minute, stirring constantly. Fold in berries and fill jars with mixture without delay, leaving 1 inch head-space. Process in water bath for 30 minutes.