RINSE clean plastic containers and lids with boiling water. Dry thoroughly.

CRUSH blueberries thoroughly, one layer at a time. Measure exactly 1-1/2 cups prepared blueberries into large bowl. Hull and crush strawberries thoroughly, one layer at a time. Add exactly 1-1/2 cups prepared strawberries to blueberry mixture in bowl. Stir in lemon juice, low calorie sweetener and pectin crystals. Let stand 30 min., stirring occasionally.

FILL all containers immediately to within 1/2 inch of tops. Wipe off top edges of containers; immediately cover with lids. Let stand at room temperature until set. (May take up to 24 hours.) Store in refrigerator up to 1 week or freeze extra containers up to 1 year. Thaw in refrigerator before using.