In a blender, purée watermelon until smooth; pour through a fine-mesh strainer into a large pitcher. In a medium mixing bowl, combine strawberries and sugar; pour into pitcher. Stir in lemonade concentrate; refrigerate, covered, until ready to serve. Stir tonic water into fruit mixture. Serve over ice with lemon and watermelon slices for garnish.

Tasty Tips:

• 2-3 oz. of Pinot Grigio or Riesling wine can be added to each glass, if desired.
• When Minnesota Grown melons are not in season, other selections may be substituted in equal amounts.