Microwave sugar in a 2-quart microwave safe bowl at high for 2 minutes or until sugar is warm. Stir in blackberries; cover with plastic wrap, folding back one edge to allow steam to escape. Microwave on high for 3 minutes or until sugar dissolves, stirring twice. Microwave covered at high for 10 minutes. Uncover and microwave 8 minutes or until thickened. Stir in lemon juice; cool. Store in refrigerator.
Yield: about 1 2/3 cups with 5 minute preparation time and 23 min cook time.