Watermelon with Blackberries and Pear Puree. Cut each watermelon slice into 10 wedges. Cut rind from wedges and remove seeds. Arrange wedges on 6 dessert plates. Top with blackberries. Refrigerate about 1 hour or until chilled. Top each serving with Pear Puree. 6 Servings; 100 Calories Per Serving.Pear PUreepare pears. Cut into fourths; remove cores and stems. Place pears and rum in blender or food processor. Cover and blend on medium, or process, about 1 minute or until smooth.