Heart Healthy Watermelon Cooler

• 11  cups peeled and cubed seedless watermelon*
• 1  12-ounce can frozen limeade concentrate, thawed
•   Ice
•   Fresh mint sprigs (optional)

Place watermelon, one-third at at time, in a food processor or blender. Cover and process or blend until smooth. In a large pitcher, combine watermelon puree and limeade concentrate; cover and chill for at least 2 hours. Serve over ice. If desired, garnish with mint.